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Message-Id: <1352379984-18381-11-git-send-email-dragos.tatulea@intel.com>
Date: Thu, 8 Nov 2012 15:06:08 +0200
From: dragos.tatulea@...el.com
To: linux-kernel@...r.kernel.org, linux-mmc@...r.kernel.org,
cjb@...top.org
Cc: kirill.shutemov@...ux.intel.com, irina.tirdea@...el.com,
octavian.purdila@...el.com, tony.luck@...el.com,
keescook@...omium.org, dragos.tatulea@...il.com,
Adrian Hunter <adrian.hunter@...el.com>
Subject: [PATCH v2 10/26] mmc: panic write: do not msleep
From: Adrian Hunter <adrian.hunter@...el.com>
Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
Signed-off-by: Irina Tirdea <irina.tirdea@...el.com>
---
drivers/mmc/core/core.c | 6 +++---
drivers/mmc/core/core.h | 6 ++++--
drivers/mmc/core/mmc_ops.c | 10 +++++-----
drivers/mmc/core/sd_ops.c | 2 +-
drivers/mmc/core/sdio_ops.c | 2 +-
5 files changed, 14 insertions(+), 12 deletions(-)
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 0b904bc..204a9bd 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1331,7 +1331,7 @@ static void mmc_power_up(struct mmc_host *host)
* This delay should be sufficient to allow the power supply
* to reach the minimum voltage.
*/
- mmc_delay(10);
+ mmc_delay(host, 10);
host->ios.clock = host->f_init;
@@ -1342,7 +1342,7 @@ static void mmc_power_up(struct mmc_host *host)
* This delay must be at least 74 clock sizes, or 1 ms, or the
* time required to reach a stable voltage.
*/
- mmc_delay(10);
+ mmc_delay(host, 10);
mmc_host_clk_release(host);
}
@@ -1378,7 +1378,7 @@ void mmc_power_off(struct mmc_host *host)
* XO-1.5, require a short delay after poweroff before the card
* can be successfully turned on again.
*/
- mmc_delay(1);
+ mmc_delay(host, 1);
mmc_host_clk_release(host);
}
diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h
index 3bdafbc..4cba1f1 100644
--- a/drivers/mmc/core/core.h
+++ b/drivers/mmc/core/core.h
@@ -46,9 +46,11 @@ void mmc_set_timing(struct mmc_host *host, unsigned int timing);
void mmc_set_driver_type(struct mmc_host *host, unsigned int drv_type);
void mmc_power_off(struct mmc_host *host);
-static inline void mmc_delay(unsigned int ms)
+static inline void mmc_delay(struct mmc_host *host, unsigned int ms)
{
- if (ms < 1000 / HZ) {
+ if (mmc_am_panic_task(host)) {
+ mdelay(ms);
+ } else if (ms < 1000 / HZ) {
cond_resched();
mdelay(ms);
} else {
diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c
index a0e1720..23eaeab 100644
--- a/drivers/mmc/core/mmc_ops.c
+++ b/drivers/mmc/core/mmc_ops.c
@@ -83,7 +83,7 @@ int mmc_card_sleepawake(struct mmc_host *host, int sleep)
* others) is invalid while the card sleeps.
*/
if (!(host->caps & MMC_CAP_WAIT_WHILE_BUSY))
- mmc_delay(DIV_ROUND_UP(card->ext_csd.sa_timeout, 10000));
+ mmc_delay(host, DIV_ROUND_UP(card->ext_csd.sa_timeout, 10000));
if (!sleep)
err = mmc_select_card(card);
@@ -107,7 +107,7 @@ int mmc_go_idle(struct mmc_host *host)
*/
if (!mmc_host_is_spi(host)) {
mmc_set_chip_select(host, MMC_CS_HIGH);
- mmc_delay(1);
+ mmc_delay(host, 1);
}
cmd.opcode = MMC_GO_IDLE_STATE;
@@ -116,11 +116,11 @@ int mmc_go_idle(struct mmc_host *host)
err = mmc_wait_for_cmd(host, &cmd, 0);
- mmc_delay(1);
+ mmc_delay(host, 1);
if (!mmc_host_is_spi(host)) {
mmc_set_chip_select(host, MMC_CS_DONTCARE);
- mmc_delay(1);
+ mmc_delay(host, 1);
}
host->use_spi_crc = 0;
@@ -159,7 +159,7 @@ int mmc_send_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr)
err = -ETIMEDOUT;
- mmc_delay(10);
+ mmc_delay(host, 10);
}
if (rocr && !mmc_host_is_spi(host))
diff --git a/drivers/mmc/core/sd_ops.c b/drivers/mmc/core/sd_ops.c
index 274ef00..d4573fb 100644
--- a/drivers/mmc/core/sd_ops.c
+++ b/drivers/mmc/core/sd_ops.c
@@ -181,7 +181,7 @@ int mmc_send_app_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr)
err = -ETIMEDOUT;
- mmc_delay(10);
+ mmc_delay(host, 10);
}
if (rocr && !mmc_host_is_spi(host))
diff --git a/drivers/mmc/core/sdio_ops.c b/drivers/mmc/core/sdio_ops.c
index d29e206..099908c 100644
--- a/drivers/mmc/core/sdio_ops.c
+++ b/drivers/mmc/core/sdio_ops.c
@@ -56,7 +56,7 @@ int mmc_send_io_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr)
err = -ETIMEDOUT;
- mmc_delay(10);
+ mmc_delay(host, 10);
}
if (rocr)
--
1.7.9.5
--
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