[MTD NAND] Indent all of drivers/mtd/nand/*.c.
It was just too painful to deal with. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
@@ -97,12 +97,12 @@ static struct mtd_info *rtc_from4_mtd = NULL;
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static void __iomem *rtc_from4_fio_base = (void *)P2SEGADDR(RTC_FROM4_FIO_BASE);
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static const struct mtd_partition partition_info[] = {
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{
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.name = "Renesas flash partition 1",
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.offset = 0,
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.size = MTDPART_SIZ_FULL
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},
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{
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.name = "Renesas flash partition 1",
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.offset = 0,
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.size = MTDPART_SIZ_FULL},
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};
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#define NUM_PARTITIONS 1
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/*
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@@ -111,8 +111,8 @@ static const struct mtd_partition partition_info[] = {
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* NAND_BBT_CREATE and/or NAND_BBT_WRITE
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*
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*/
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static uint8_t bbt_pattern[] = {'B', 'b', 't', '0' };
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static uint8_t mirror_pattern[] = {'1', 't', 'b', 'B' };
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static uint8_t bbt_pattern[] = { 'B', 'b', 't', '0' };
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static uint8_t mirror_pattern[] = { '1', 't', 'b', 'B' };
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static struct nand_bbt_descr rtc_from4_bbt_main_descr = {
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.options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | NAND_BBT_WRITE
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@@ -134,8 +134,6 @@ static struct nand_bbt_descr rtc_from4_bbt_mirror_descr = {
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.pattern = mirror_pattern
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};
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#ifdef RTC_FROM4_HWECC
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/* the Reed Solomon control structure */
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@@ -148,11 +146,11 @@ static struct nand_oobinfo rtc_from4_nand_oobinfo = {
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.useecc = MTD_NANDECC_AUTOPLACE,
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.eccbytes = 32,
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.eccpos = {
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0, 1, 2, 3, 4, 5, 6, 7,
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8, 9, 10, 11, 12, 13, 14, 15,
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16, 17, 18, 19, 20, 21, 22, 23,
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24, 25, 26, 27, 28, 29, 30, 31},
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.oobfree = { {32, 32} }
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0, 1, 2, 3, 4, 5, 6, 7,
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8, 9, 10, 11, 12, 13, 14, 15,
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16, 17, 18, 19, 20, 21, 22, 23,
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24, 25, 26, 27, 28, 29, 30, 31},
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.oobfree = {{32, 32}}
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};
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/* Aargh. I missed the reversed bit order, when I
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@@ -162,44 +160,42 @@ static struct nand_oobinfo rtc_from4_nand_oobinfo = {
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* of the ecc byte which we get from the FPGA
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*/
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static uint8_t revbits[256] = {
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0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
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0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
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0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
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0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
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0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4,
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0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
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0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec,
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0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
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0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
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0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
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0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
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0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
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0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6,
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0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
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0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
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0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
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0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,
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0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
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0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,
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0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
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0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5,
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0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
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0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed,
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0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
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0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3,
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0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
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0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb,
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0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
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0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7,
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0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
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0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
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0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff,
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0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
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0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
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0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
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0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
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0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4,
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0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
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0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec,
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0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
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0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
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0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
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0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
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0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
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0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6,
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0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
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0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
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0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
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0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,
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0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
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0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,
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0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
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0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5,
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0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
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0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed,
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0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
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0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3,
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0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
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0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb,
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0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
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0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7,
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0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
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0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
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0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff,
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};
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#endif
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/*
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* rtc_from4_hwcontrol - hardware specific access to control-lines
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* @mtd: MTD device structure
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@@ -214,9 +210,9 @@ static uint8_t revbits[256] = {
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*/
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static void rtc_from4_hwcontrol(struct mtd_info *mtd, int cmd)
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{
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struct nand_chip* this = (struct nand_chip *) (mtd->priv);
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struct nand_chip *this = (struct nand_chip *)(mtd->priv);
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switch(cmd) {
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switch (cmd) {
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case NAND_CTL_SETCLE:
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this->IO_ADDR_W = (void __iomem *)((unsigned long)this->IO_ADDR_W | RTC_FROM4_CLE);
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@@ -240,7 +236,6 @@ static void rtc_from4_hwcontrol(struct mtd_info *mtd, int cmd)
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}
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}
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/*
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* rtc_from4_nand_select_chip - hardware specific chip select
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* @mtd: MTD device structure
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@@ -252,26 +247,25 @@ static void rtc_from4_hwcontrol(struct mtd_info *mtd, int cmd)
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*/
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static void rtc_from4_nand_select_chip(struct mtd_info *mtd, int chip)
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{
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struct nand_chip *this = mtd->priv;
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struct nand_chip *this = mtd->priv;
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this->IO_ADDR_R = (void __iomem *)((unsigned long)this->IO_ADDR_R & ~RTC_FROM4_NAND_ADDR_MASK);
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this->IO_ADDR_W = (void __iomem *)((unsigned long)this->IO_ADDR_W & ~RTC_FROM4_NAND_ADDR_MASK);
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switch(chip) {
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switch (chip) {
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case 0: /* select slot 3 chip */
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case 0: /* select slot 3 chip */
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this->IO_ADDR_R = (void __iomem *)((unsigned long)this->IO_ADDR_R | RTC_FROM4_NAND_ADDR_SLOT3);
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this->IO_ADDR_W = (void __iomem *)((unsigned long)this->IO_ADDR_W | RTC_FROM4_NAND_ADDR_SLOT3);
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break;
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case 1: /* select slot 4 chip */
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break;
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case 1: /* select slot 4 chip */
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this->IO_ADDR_R = (void __iomem *)((unsigned long)this->IO_ADDR_R | RTC_FROM4_NAND_ADDR_SLOT4);
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this->IO_ADDR_W = (void __iomem *)((unsigned long)this->IO_ADDR_W | RTC_FROM4_NAND_ADDR_SLOT4);
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break;
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break;
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}
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}
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}
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/*
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* rtc_from4_nand_device_ready - hardware specific ready/busy check
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* @mtd: MTD device structure
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@@ -290,7 +284,6 @@ static int rtc_from4_nand_device_ready(struct mtd_info *mtd)
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}
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/*
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* deplete - code to perform device recovery in case there was a power loss
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* @mtd: MTD device structure
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@@ -306,24 +299,23 @@ static int rtc_from4_nand_device_ready(struct mtd_info *mtd)
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*/
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static void deplete(struct mtd_info *mtd, int chip)
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{
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struct nand_chip *this = mtd->priv;
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struct nand_chip *this = mtd->priv;
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/* wait until device is ready */
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while (!this->dev_ready(mtd));
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/* wait until device is ready */
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while (!this->dev_ready(mtd)) ;
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this->select_chip(mtd, chip);
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/* Send the commands for device recovery, phase 1 */
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this->cmdfunc (mtd, NAND_CMD_DEPLETE1, 0x0000, 0x0000);
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this->cmdfunc (mtd, NAND_CMD_DEPLETE2, -1, -1);
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this->cmdfunc(mtd, NAND_CMD_DEPLETE1, 0x0000, 0x0000);
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this->cmdfunc(mtd, NAND_CMD_DEPLETE2, -1, -1);
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/* Send the commands for device recovery, phase 2 */
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this->cmdfunc (mtd, NAND_CMD_DEPLETE1, 0x0000, 0x0004);
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this->cmdfunc (mtd, NAND_CMD_DEPLETE2, -1, -1);
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this->cmdfunc(mtd, NAND_CMD_DEPLETE1, 0x0000, 0x0004);
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this->cmdfunc(mtd, NAND_CMD_DEPLETE2, -1, -1);
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}
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#ifdef RTC_FROM4_HWECC
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/*
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* rtc_from4_enable_hwecc - hardware specific hardware ECC enable function
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@@ -335,39 +327,35 @@ static void deplete(struct mtd_info *mtd, int chip)
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*/
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static void rtc_from4_enable_hwecc(struct mtd_info *mtd, int mode)
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{
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volatile unsigned short * rs_ecc_ctl = (volatile unsigned short *)(rtc_from4_fio_base + RTC_FROM4_RS_ECC_CTL);
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volatile unsigned short *rs_ecc_ctl = (volatile unsigned short *)(rtc_from4_fio_base + RTC_FROM4_RS_ECC_CTL);
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unsigned short status;
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switch (mode) {
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case NAND_ECC_READ :
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status = RTC_FROM4_RS_ECC_CTL_CLR
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| RTC_FROM4_RS_ECC_CTL_FD_E;
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case NAND_ECC_READ:
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status = RTC_FROM4_RS_ECC_CTL_CLR | RTC_FROM4_RS_ECC_CTL_FD_E;
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*rs_ecc_ctl = status;
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break;
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case NAND_ECC_READSYN :
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status = 0x00;
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case NAND_ECC_READSYN:
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status = 0x00;
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*rs_ecc_ctl = status;
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break;
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case NAND_ECC_WRITE :
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status = RTC_FROM4_RS_ECC_CTL_CLR
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| RTC_FROM4_RS_ECC_CTL_GEN
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| RTC_FROM4_RS_ECC_CTL_FD_E;
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case NAND_ECC_WRITE:
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status = RTC_FROM4_RS_ECC_CTL_CLR | RTC_FROM4_RS_ECC_CTL_GEN | RTC_FROM4_RS_ECC_CTL_FD_E;
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*rs_ecc_ctl = status;
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break;
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default:
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default:
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BUG();
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break;
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}
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}
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/*
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* rtc_from4_calculate_ecc - hardware specific code to read ECC code
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* @mtd: MTD device structure
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@@ -383,7 +371,7 @@ static void rtc_from4_enable_hwecc(struct mtd_info *mtd, int mode)
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*/
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static void rtc_from4_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code)
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{
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volatile unsigned short * rs_eccn = (volatile unsigned short *)(rtc_from4_fio_base + RTC_FROM4_RS_ECCN);
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volatile unsigned short *rs_eccn = (volatile unsigned short *)(rtc_from4_fio_base + RTC_FROM4_RS_ECCN);
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unsigned short value;
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int i;
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@@ -395,7 +383,6 @@ static void rtc_from4_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_c
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ecc_code[7] |= 0x0f; /* set the last four bits (not used) */
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}
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/*
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* rtc_from4_correct_data - hardware specific code to correct data using ECC code
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* @mtd: MTD device structure
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@@ -414,7 +401,7 @@ static int rtc_from4_correct_data(struct mtd_info *mtd, const u_char *buf, u_cha
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unsigned short status;
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uint16_t par[6], syn[6];
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uint8_t ecc[8];
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volatile unsigned short *rs_ecc;
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volatile unsigned short *rs_ecc;
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status = *((volatile unsigned short *)(rtc_from4_fio_base + RTC_FROM4_RS_ECC_CHK));
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@@ -424,23 +411,18 @@ static int rtc_from4_correct_data(struct mtd_info *mtd, const u_char *buf, u_cha
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/* Read the syndrom pattern from the FPGA and correct the bitorder */
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rs_ecc = (volatile unsigned short *)(rtc_from4_fio_base + RTC_FROM4_RS_ECC);
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for (i = 0; i < 8; i++) {
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ecc[i] = revbits[(*rs_ecc) & 0xFF];
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rs_ecc++;
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}
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for (i = 0; i < 8; i++) {
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ecc[i] = revbits[(*rs_ecc) & 0xFF];
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rs_ecc++;
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}
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/* convert into 6 10bit syndrome fields */
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par[5] = rs_decoder->index_of[(((uint16_t)ecc[0] >> 0) & 0x0ff) |
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(((uint16_t)ecc[1] << 8) & 0x300)];
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par[4] = rs_decoder->index_of[(((uint16_t)ecc[1] >> 2) & 0x03f) |
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(((uint16_t)ecc[2] << 6) & 0x3c0)];
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par[3] = rs_decoder->index_of[(((uint16_t)ecc[2] >> 4) & 0x00f) |
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(((uint16_t)ecc[3] << 4) & 0x3f0)];
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par[2] = rs_decoder->index_of[(((uint16_t)ecc[3] >> 6) & 0x003) |
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(((uint16_t)ecc[4] << 2) & 0x3fc)];
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par[1] = rs_decoder->index_of[(((uint16_t)ecc[5] >> 0) & 0x0ff) |
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(((uint16_t)ecc[6] << 8) & 0x300)];
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par[0] = (((uint16_t)ecc[6] >> 2) & 0x03f) | (((uint16_t)ecc[7] << 6) & 0x3c0);
|
||||
par[5] = rs_decoder->index_of[(((uint16_t) ecc[0] >> 0) & 0x0ff) | (((uint16_t) ecc[1] << 8) & 0x300)];
|
||||
par[4] = rs_decoder->index_of[(((uint16_t) ecc[1] >> 2) & 0x03f) | (((uint16_t) ecc[2] << 6) & 0x3c0)];
|
||||
par[3] = rs_decoder->index_of[(((uint16_t) ecc[2] >> 4) & 0x00f) | (((uint16_t) ecc[3] << 4) & 0x3f0)];
|
||||
par[2] = rs_decoder->index_of[(((uint16_t) ecc[3] >> 6) & 0x003) | (((uint16_t) ecc[4] << 2) & 0x3fc)];
|
||||
par[1] = rs_decoder->index_of[(((uint16_t) ecc[5] >> 0) & 0x0ff) | (((uint16_t) ecc[6] << 8) & 0x300)];
|
||||
par[0] = (((uint16_t) ecc[6] >> 2) & 0x03f) | (((uint16_t) ecc[7] << 6) & 0x3c0);
|
||||
|
||||
/* Convert to computable syndrome */
|
||||
for (i = 0; i < 6; i++) {
|
||||
@@ -453,16 +435,14 @@ static int rtc_from4_correct_data(struct mtd_info *mtd, const u_char *buf, u_cha
|
||||
syn[i] = rs_decoder->index_of[syn[i]];
|
||||
}
|
||||
|
||||
/* Let the library code do its magic.*/
|
||||
res = decode_rs8(rs_decoder, (uint8_t *)buf, par, 512, syn, 0, NULL, 0xff, NULL);
|
||||
/* Let the library code do its magic. */
|
||||
res = decode_rs8(rs_decoder, (uint8_t *) buf, par, 512, syn, 0, NULL, 0xff, NULL);
|
||||
if (res > 0) {
|
||||
DEBUG (MTD_DEBUG_LEVEL0, "rtc_from4_correct_data: "
|
||||
"ECC corrected %d errors on read\n", res);
|
||||
DEBUG(MTD_DEBUG_LEVEL0, "rtc_from4_correct_data: " "ECC corrected %d errors on read\n", res);
|
||||
}
|
||||
return res;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* rtc_from4_errstat - perform additional error status checks
|
||||
* @mtd: MTD device structure
|
||||
@@ -480,44 +460,44 @@ static int rtc_from4_correct_data(struct mtd_info *mtd, const u_char *buf, u_cha
|
||||
*/
|
||||
static int rtc_from4_errstat(struct mtd_info *mtd, struct nand_chip *this, int state, int status, int page)
|
||||
{
|
||||
int er_stat=0;
|
||||
int rtn, retlen;
|
||||
size_t len;
|
||||
int er_stat = 0;
|
||||
int rtn, retlen;
|
||||
size_t len;
|
||||
uint8_t *buf;
|
||||
int i;
|
||||
int i;
|
||||
|
||||
this->cmdfunc (mtd, NAND_CMD_STATUS_CLEAR, -1, -1);
|
||||
this->cmdfunc(mtd, NAND_CMD_STATUS_CLEAR, -1, -1);
|
||||
|
||||
if (state == FL_ERASING) {
|
||||
for (i=0; i<4; i++) {
|
||||
if (status & 1<<(i+1)) {
|
||||
this->cmdfunc (mtd, (NAND_CMD_STATUS_ERROR + i + 1), -1, -1);
|
||||
if (state == FL_ERASING) {
|
||||
for (i = 0; i < 4; i++) {
|
||||
if (status & 1 << (i + 1)) {
|
||||
this->cmdfunc(mtd, (NAND_CMD_STATUS_ERROR + i + 1), -1, -1);
|
||||
rtn = this->read_byte(mtd);
|
||||
this->cmdfunc (mtd, NAND_CMD_STATUS_RESET, -1, -1);
|
||||
this->cmdfunc(mtd, NAND_CMD_STATUS_RESET, -1, -1);
|
||||
if (!(rtn & ERR_STAT_ECC_AVAILABLE)) {
|
||||
er_stat |= 1<<(i+1); /* err_ecc_not_avail */
|
||||
er_stat |= 1 << (i + 1); /* err_ecc_not_avail */
|
||||
}
|
||||
}
|
||||
}
|
||||
} else if (state == FL_WRITING) {
|
||||
/* single bank write logic */
|
||||
this->cmdfunc (mtd, NAND_CMD_STATUS_ERROR, -1, -1);
|
||||
this->cmdfunc(mtd, NAND_CMD_STATUS_ERROR, -1, -1);
|
||||
rtn = this->read_byte(mtd);
|
||||
this->cmdfunc (mtd, NAND_CMD_STATUS_RESET, -1, -1);
|
||||
this->cmdfunc(mtd, NAND_CMD_STATUS_RESET, -1, -1);
|
||||
if (!(rtn & ERR_STAT_ECC_AVAILABLE)) {
|
||||
er_stat |= 1<<1; /* err_ecc_not_avail */
|
||||
er_stat |= 1 << 1; /* err_ecc_not_avail */
|
||||
} else {
|
||||
len = mtd->oobblock;
|
||||
buf = kmalloc (len, GFP_KERNEL);
|
||||
buf = kmalloc(len, GFP_KERNEL);
|
||||
if (!buf) {
|
||||
printk (KERN_ERR "rtc_from4_errstat: Out of memory!\n");
|
||||
er_stat = 1; /* if we can't check, assume failed */
|
||||
printk(KERN_ERR "rtc_from4_errstat: Out of memory!\n");
|
||||
er_stat = 1; /* if we can't check, assume failed */
|
||||
} else {
|
||||
/* recovery read */
|
||||
/* page read */
|
||||
rtn = nand_do_read_ecc (mtd, page, len, &retlen, buf, NULL, this->autooob, 1);
|
||||
rtn = nand_do_read_ecc(mtd, page, len, &retlen, buf, NULL, this->autooob, 1);
|
||||
if (rtn) { /* if read failed or > 1-bit error corrected */
|
||||
er_stat |= 1<<1; /* ECC read failed */
|
||||
er_stat |= 1 << 1; /* ECC read failed */
|
||||
}
|
||||
kfree(buf);
|
||||
}
|
||||
@@ -525,7 +505,7 @@ static int rtc_from4_errstat(struct mtd_info *mtd, struct nand_chip *this, int s
|
||||
}
|
||||
|
||||
rtn = status;
|
||||
if (er_stat == 0) { /* if ECC is available */
|
||||
if (er_stat == 0) { /* if ECC is available */
|
||||
rtn = (status & ~NAND_STATUS_FAIL); /* clear the error bit */
|
||||
}
|
||||
|
||||
@@ -533,30 +513,28 @@ static int rtc_from4_errstat(struct mtd_info *mtd, struct nand_chip *this, int s
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
/*
|
||||
* Main initialization routine
|
||||
*/
|
||||
int __init rtc_from4_init (void)
|
||||
int __init rtc_from4_init(void)
|
||||
{
|
||||
struct nand_chip *this;
|
||||
unsigned short bcr1, bcr2, wcr2;
|
||||
int i;
|
||||
|
||||
/* Allocate memory for MTD device structure and private data */
|
||||
rtc_from4_mtd = kmalloc(sizeof(struct mtd_info) + sizeof (struct nand_chip),
|
||||
GFP_KERNEL);
|
||||
rtc_from4_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
|
||||
if (!rtc_from4_mtd) {
|
||||
printk ("Unable to allocate Renesas NAND MTD device structure.\n");
|
||||
printk("Unable to allocate Renesas NAND MTD device structure.\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
/* Get pointer to private data */
|
||||
this = (struct nand_chip *) (&rtc_from4_mtd[1]);
|
||||
this = (struct nand_chip *)(&rtc_from4_mtd[1]);
|
||||
|
||||
/* Initialize structures */
|
||||
memset((char *) rtc_from4_mtd, 0, sizeof(struct mtd_info));
|
||||
memset((char *) this, 0, sizeof(struct nand_chip));
|
||||
memset(rtc_from4_mtd, 0, sizeof(struct mtd_info));
|
||||
memset(this, 0, sizeof(struct nand_chip));
|
||||
|
||||
/* Link the private data with the MTD structure */
|
||||
rtc_from4_mtd->priv = this;
|
||||
@@ -582,7 +560,7 @@ int __init rtc_from4_init (void)
|
||||
/* Set address of hardware control function */
|
||||
this->hwcontrol = rtc_from4_hwcontrol;
|
||||
/* Set address of chip select function */
|
||||
this->select_chip = rtc_from4_nand_select_chip;
|
||||
this->select_chip = rtc_from4_nand_select_chip;
|
||||
/* command delay time (in us) */
|
||||
this->chip_delay = 100;
|
||||
/* return the status of the Ready/Busy line */
|
||||
@@ -591,7 +569,7 @@ int __init rtc_from4_init (void)
|
||||
#ifdef RTC_FROM4_HWECC
|
||||
printk(KERN_INFO "rtc_from4_init: using hardware ECC detection.\n");
|
||||
|
||||
this->eccmode = NAND_ECC_HW8_512;
|
||||
this->eccmode = NAND_ECC_HW8_512;
|
||||
this->options |= NAND_HWECC_SYNDROME;
|
||||
/* return the status of extra status and ECC checks */
|
||||
this->errstat = rtc_from4_errstat;
|
||||
@@ -617,7 +595,7 @@ int __init rtc_from4_init (void)
|
||||
}
|
||||
|
||||
/* Perform 'device recovery' for each chip in case there was a power loss. */
|
||||
for (i=0; i < this->numchips; i++) {
|
||||
for (i = 0; i < this->numchips; i++) {
|
||||
deplete(rtc_from4_mtd, i);
|
||||
}
|
||||
|
||||
@@ -643,7 +621,7 @@ int __init rtc_from4_init (void)
|
||||
*/
|
||||
rs_decoder = init_rs(10, 0x409, 0, 1, 6);
|
||||
if (!rs_decoder) {
|
||||
printk (KERN_ERR "Could not create a RS decoder\n");
|
||||
printk(KERN_ERR "Could not create a RS decoder\n");
|
||||
nand_release(rtc_from4_mtd);
|
||||
kfree(rtc_from4_mtd);
|
||||
return -ENOMEM;
|
||||
@@ -652,20 +630,20 @@ int __init rtc_from4_init (void)
|
||||
/* Return happy */
|
||||
return 0;
|
||||
}
|
||||
module_init(rtc_from4_init);
|
||||
|
||||
module_init(rtc_from4_init);
|
||||
|
||||
/*
|
||||
* Clean up routine
|
||||
*/
|
||||
#ifdef MODULE
|
||||
static void __exit rtc_from4_cleanup (void)
|
||||
static void __exit rtc_from4_cleanup(void)
|
||||
{
|
||||
/* Release resource, unregister partitions */
|
||||
nand_release(rtc_from4_mtd);
|
||||
|
||||
/* Free the MTD device structure */
|
||||
kfree (rtc_from4_mtd);
|
||||
kfree(rtc_from4_mtd);
|
||||
|
||||
#ifdef RTC_FROM4_HWECC
|
||||
/* Free the reed solomon resources */
|
||||
@@ -674,10 +652,10 @@ static void __exit rtc_from4_cleanup (void)
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
module_exit(rtc_from4_cleanup);
|
||||
#endif
|
||||
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_AUTHOR("d.marlin <dmarlin@redhat.com");
|
||||
MODULE_DESCRIPTION("Board-specific glue layer for AG-AND flash on Renesas FROM_BOARD4");
|
||||
|
||||
|
Reference in New Issue
Block a user