From: Shinobu Uehara <shinobu.uehara.xc@xxxxxxxxxxx>
Current tmio_mmc driver is calling msleep(10) in tmio_mmc_clk_xxx().
But, it has not been documented, and will be low performance,
especially if CONFIG_MMC_CLKGATE was enabled.
This patch remove it
[Kuninori Morimoto: tidyuped for upstreaming]
Signed-off-by: Shinobu Uehara <shinobu.uehara.xc@xxxxxxxxxxx>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---
drivers/mmc/host/tmio_mmc_pio.c | 14 +++-----------
1 file changed, 3 insertions(+), 11 deletions(-)
diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
index ba45413..657c33d 100644
--- a/drivers/mmc/host/tmio_mmc_pio.c
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -170,33 +170,26 @@ static void tmio_mmc_set_clock(struct tmio_mmc_host *host,
host->set_clk_div(host->pdev, (clk>>22) & 1);
sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, clk & 0x1ff);
- msleep(10);
}
static void tmio_mmc_clk_stop(struct tmio_mmc_host *host)
{
/* implicit BUG_ON(!res) */
- if (host->pdata->flags & TMIO_MMC_HAVE_HIGH_REG) {
+ if (host->pdata->flags & TMIO_MMC_HAVE_HIGH_REG)
sd_ctrl_write16(host, CTL_CLK_AND_WAIT_CTL, 0x0000);
- msleep(10);
- }
sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, ~0x0100 &
sd_ctrl_read16(host, CTL_SD_CARD_CLK_CTL));
- msleep(10);
}
static void tmio_mmc_clk_start(struct tmio_mmc_host *host)
{
sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, 0x0100 |
sd_ctrl_read16(host, CTL_SD_CARD_CLK_CTL));
- msleep(10);
/* implicit BUG_ON(!res) */
- if (host->pdata->flags & TMIO_MMC_HAVE_HIGH_REG) {
+ if (host->pdata->flags & TMIO_MMC_HAVE_HIGH_REG)
sd_ctrl_write16(host, CTL_CLK_AND_WAIT_CTL, 0x0100);
- msleep(10);
- }
}
static void tmio_mmc_reset(struct tmio_mmc_host *host)
@@ -206,11 +199,10 @@ static void tmio_mmc_reset(struct tmio_mmc_host *host)
/* implicit BUG_ON(!res) */
if (host->pdata->flags & TMIO_MMC_HAVE_HIGH_REG)
sd_ctrl_write16(host, CTL_RESET_SDIO, 0x0000);
- msleep(10);
+
sd_ctrl_write16(host, CTL_RESET_SD, 0x0001);
if (host->pdata->flags & TMIO_MMC_HAVE_HIGH_REG)
sd_ctrl_write16(host, CTL_RESET_SDIO, 0x0001);
- msleep(10);
}
static void tmio_mmc_reset_work(struct work_struct *work)
--
1.7.9.5
--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
