Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6: (59 commits) mtd: mtdpart: disallow reading OOB past the end of the partition mtd: pxa3xx_nand: NULL dereference in pxa3xx_nand_probe UBI: use mtd->writebufsize to set minimal I/O unit size mtd: initialize writebufsize in the MTD object of a partition mtd: onenand: add mtd->writebufsize initialization mtd: nand: add mtd->writebufsize initialization mtd: cfi: add writebufsize initialization mtd: add writebufsize field to mtd_info struct mtd: OneNAND: OMAP2/3: prevent regulator sleeping while OneNAND is in use mtd: OneNAND: add enable / disable methods to onenand_chip mtd: m25p80: Fix JEDEC ID for AT26DF321 mtd: txx9ndfmc: limit transfer bytes to 512 (ECC provides 6 bytes max) mtd: cfi_cmdset_0002: add support for Samsung K8D3x16UxC NOR chips mtd: cfi_cmdset_0002: add support for Samsung K8D6x16UxM NOR chips mtd: nand: ams-delta: drop omap_read/write, use ioremap mtd: m25p80: add debugging trace in sst_write mtd: nand: ams-delta: select for built-in by default mtd: OneNAND: lighten scary initial bad block messages mtd: OneNAND: OMAP2/3: add support for command line partitioning mtd: nand: rearrange ONFI revision checking, add ONFI 2.3 ... Fix up trivial conflict in drivers/mtd/Kconfig as per DavidW.
This commit is contained in:
@@ -35,6 +35,7 @@
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#include <linux/dma-mapping.h>
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#include <linux/io.h>
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#include <linux/slab.h>
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#include <linux/regulator/consumer.h>
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#include <asm/mach/flash.h>
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#include <plat/gpmc.h>
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@@ -63,8 +64,13 @@ struct omap2_onenand {
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int dma_channel;
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int freq;
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int (*setup)(void __iomem *base, int freq);
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struct regulator *regulator;
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};
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#ifdef CONFIG_MTD_PARTITIONS
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static const char *part_probes[] = { "cmdlinepart", NULL, };
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#endif
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static void omap2_onenand_dma_cb(int lch, u16 ch_status, void *data)
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{
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struct omap2_onenand *c = data;
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@@ -108,8 +114,9 @@ static void wait_warn(char *msg, int state, unsigned int ctrl,
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static int omap2_onenand_wait(struct mtd_info *mtd, int state)
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{
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struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd);
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struct onenand_chip *this = mtd->priv;
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unsigned int intr = 0;
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unsigned int ctrl;
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unsigned int ctrl, ctrl_mask;
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unsigned long timeout;
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u32 syscfg;
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@@ -180,7 +187,8 @@ retry:
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if (result == 0) {
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/* Timeout after 20ms */
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ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS);
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if (ctrl & ONENAND_CTRL_ONGO) {
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if (ctrl & ONENAND_CTRL_ONGO &&
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!this->ongoing) {
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/*
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* The operation seems to be still going
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* so give it some more time.
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@@ -269,7 +277,11 @@ retry:
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return -EIO;
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}
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if (ctrl & 0xFE9F)
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ctrl_mask = 0xFE9F;
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if (this->ongoing)
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ctrl_mask &= ~0x8000;
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if (ctrl & ctrl_mask)
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wait_warn("unexpected controller status", state, ctrl, intr);
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return 0;
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@@ -591,6 +603,30 @@ static void omap2_onenand_shutdown(struct platform_device *pdev)
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memset((__force void *)c->onenand.base, 0, ONENAND_BUFRAM_SIZE);
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}
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static int omap2_onenand_enable(struct mtd_info *mtd)
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{
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int ret;
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struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd);
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ret = regulator_enable(c->regulator);
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if (ret != 0)
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dev_err(&c->pdev->dev, "cant enable regulator\n");
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return ret;
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}
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static int omap2_onenand_disable(struct mtd_info *mtd)
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{
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int ret;
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struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd);
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ret = regulator_disable(c->regulator);
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if (ret != 0)
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dev_err(&c->pdev->dev, "cant disable regulator\n");
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return ret;
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}
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static int __devinit omap2_onenand_probe(struct platform_device *pdev)
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{
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struct omap_onenand_platform_data *pdata;
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@@ -705,8 +741,18 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev)
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}
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}
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if (pdata->regulator_can_sleep) {
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c->regulator = regulator_get(&pdev->dev, "vonenand");
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if (IS_ERR(c->regulator)) {
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dev_err(&pdev->dev, "Failed to get regulator\n");
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goto err_release_dma;
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}
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c->onenand.enable = omap2_onenand_enable;
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c->onenand.disable = omap2_onenand_disable;
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}
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if ((r = onenand_scan(&c->mtd, 1)) < 0)
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goto err_release_dma;
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goto err_release_regulator;
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switch ((c->onenand.version_id >> 4) & 0xf) {
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case 0:
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@@ -727,13 +773,15 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev)
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}
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#ifdef CONFIG_MTD_PARTITIONS
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if (pdata->parts != NULL)
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r = add_mtd_partitions(&c->mtd, pdata->parts,
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pdata->nr_parts);
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r = parse_mtd_partitions(&c->mtd, part_probes, &c->parts, 0);
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if (r > 0)
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r = add_mtd_partitions(&c->mtd, c->parts, r);
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else if (pdata->parts != NULL)
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r = add_mtd_partitions(&c->mtd, pdata->parts, pdata->nr_parts);
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else
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#endif
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r = add_mtd_device(&c->mtd);
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if (r < 0)
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if (r)
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goto err_release_onenand;
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platform_set_drvdata(pdev, c);
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@@ -742,6 +790,8 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev)
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err_release_onenand:
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onenand_release(&c->mtd);
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err_release_regulator:
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regulator_put(c->regulator);
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err_release_dma:
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if (c->dma_channel != -1)
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omap_free_dma(c->dma_channel);
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@@ -757,6 +807,7 @@ err_release_mem_region:
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err_free_cs:
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gpmc_cs_free(c->gpmc_cs);
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err_kfree:
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kfree(c->parts);
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kfree(c);
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return r;
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@@ -766,18 +817,8 @@ static int __devexit omap2_onenand_remove(struct platform_device *pdev)
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{
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struct omap2_onenand *c = dev_get_drvdata(&pdev->dev);
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BUG_ON(c == NULL);
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#ifdef CONFIG_MTD_PARTITIONS
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if (c->parts)
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del_mtd_partitions(&c->mtd);
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else
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del_mtd_device(&c->mtd);
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#else
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del_mtd_device(&c->mtd);
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#endif
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onenand_release(&c->mtd);
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regulator_put(c->regulator);
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if (c->dma_channel != -1)
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omap_free_dma(c->dma_channel);
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omap2_onenand_shutdown(pdev);
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@@ -789,6 +830,7 @@ static int __devexit omap2_onenand_remove(struct platform_device *pdev)
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iounmap(c->onenand.base);
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release_mem_region(c->phys_base, ONENAND_IO_SIZE);
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gpmc_cs_free(c->gpmc_cs);
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kfree(c->parts);
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kfree(c);
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return 0;
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