Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Conflicts: Documentation/feature-removal-schedule.txt drivers/net/wireless/ath/ath5k/phy.c drivers/net/wireless/wl12xx/wl1271_main.c
This commit is contained in:
@@ -105,6 +105,7 @@ static void wl1271_spi_reset(struct wl1271 *wl)
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spi_message_add_tail(&t, &m);
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spi_sync(wl_to_spi(wl), &m);
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kfree(cmd);
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wl1271_dump(DEBUG_SPI, "spi reset -> ", cmd, WSPI_INIT_CMD_LEN);
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}
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@@ -159,47 +160,24 @@ static void wl1271_spi_init(struct wl1271 *wl)
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spi_message_add_tail(&t, &m);
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spi_sync(wl_to_spi(wl), &m);
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kfree(cmd);
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wl1271_dump(DEBUG_SPI, "spi init -> ", cmd, WSPI_INIT_CMD_LEN);
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}
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#define WL1271_BUSY_WORD_TIMEOUT 1000
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/* FIXME: Check busy words, removed due to SPI bug */
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#if 0
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static void wl1271_spi_read_busy(struct wl1271 *wl, void *buf, size_t len)
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static int wl1271_spi_read_busy(struct wl1271 *wl)
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{
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struct spi_transfer t[1];
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struct spi_message m;
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u32 *busy_buf;
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int num_busy_bytes = 0;
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wl1271_info("spi read BUSY!");
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/*
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* Look for the non-busy word in the read buffer, and if found,
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* read in the remaining data into the buffer.
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*/
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busy_buf = (u32 *)buf;
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for (; (u32)busy_buf < (u32)buf + len; busy_buf++) {
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num_busy_bytes += sizeof(u32);
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if (*busy_buf & 0x1) {
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spi_message_init(&m);
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memset(t, 0, sizeof(t));
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memmove(buf, busy_buf, len - num_busy_bytes);
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t[0].rx_buf = buf + (len - num_busy_bytes);
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t[0].len = num_busy_bytes;
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spi_message_add_tail(&t[0], &m);
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spi_sync(wl_to_spi(wl), &m);
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return;
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}
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}
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/*
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* Read further busy words from SPI until a non-busy word is
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* encountered, then read the data itself into the buffer.
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*/
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wl1271_info("spi read BUSY-polling needed!");
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num_busy_bytes = WL1271_BUSY_WORD_TIMEOUT;
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busy_buf = wl->buffer_busyword;
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@@ -209,28 +187,21 @@ static void wl1271_spi_read_busy(struct wl1271 *wl, void *buf, size_t len)
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memset(t, 0, sizeof(t));
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t[0].rx_buf = busy_buf;
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t[0].len = sizeof(u32);
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t[0].cs_change = true;
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spi_message_add_tail(&t[0], &m);
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spi_sync(wl_to_spi(wl), &m);
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if (*busy_buf & 0x1) {
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spi_message_init(&m);
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memset(t, 0, sizeof(t));
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t[0].rx_buf = buf;
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t[0].len = len;
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spi_message_add_tail(&t[0], &m);
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spi_sync(wl_to_spi(wl), &m);
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return;
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}
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if (*busy_buf & 0x1)
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return 0;
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}
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/* The SPI bus is unresponsive, the read failed. */
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memset(buf, 0, len);
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wl1271_error("SPI read busy-word timeout!\n");
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return -ETIMEDOUT;
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}
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#endif
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static void wl1271_spi_raw_read(struct wl1271 *wl, int addr, void *buf,
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size_t len, bool fixed)
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size_t len, bool fixed)
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{
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struct spi_transfer t[3];
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struct spi_message m;
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@@ -253,22 +224,32 @@ static void wl1271_spi_raw_read(struct wl1271 *wl, int addr, void *buf,
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t[0].tx_buf = cmd;
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t[0].len = 4;
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t[0].cs_change = true;
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spi_message_add_tail(&t[0], &m);
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/* Busy and non busy words read */
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t[1].rx_buf = busy_buf;
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t[1].len = WL1271_BUSY_WORD_LEN;
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t[1].cs_change = true;
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spi_message_add_tail(&t[1], &m);
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t[2].rx_buf = buf;
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t[2].len = len;
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spi_message_add_tail(&t[2], &m);
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spi_sync(wl_to_spi(wl), &m);
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/* FIXME: Check busy words, removed due to SPI bug */
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/* if (!(busy_buf[WL1271_BUSY_WORD_CNT - 1] & 0x1))
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wl1271_spi_read_busy(wl, buf, len); */
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if (!(busy_buf[WL1271_BUSY_WORD_CNT - 1] & 0x1) &&
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wl1271_spi_read_busy(wl)) {
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memset(buf, 0, len);
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return;
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}
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spi_message_init(&m);
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memset(t, 0, sizeof(t));
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t[0].rx_buf = buf;
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t[0].len = len;
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t[0].cs_change = true;
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spi_message_add_tail(&t[0], &m);
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spi_sync(wl_to_spi(wl), &m);
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wl1271_dump(DEBUG_SPI, "spi_read cmd -> ", cmd, sizeof(*cmd));
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wl1271_dump(DEBUG_SPI, "spi_read buf <- ", buf, len);
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@@ -443,7 +424,7 @@ static int __devexit wl1271_remove(struct spi_device *spi)
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static struct spi_driver wl1271_spi_driver = {
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.driver = {
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.name = "wl1271",
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.name = "wl1271_spi",
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.bus = &spi_bus_type,
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.owner = THIS_MODULE,
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},
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