From 3fe42e077f65351503f5004031549db330bb105e Mon Sep 17 00:00:00 2001 From: Hyuk Lee Date: Tue, 10 Aug 2010 18:01:55 -0700 Subject: sdhci-s3c: add SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK quirk On Samsung's SDMMC hosts the timeout clock is derivied from the SD Clock which is set dynamically. So checked SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK quirk and removed 'sdhci_s3c_get_timeout_clk' callback which doesn't need any more. Signed-off-by: Hyuk Lee Signed-off-by: Kukjin Kim Cc: Ben Dooks Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/mmc/host/sdhci-s3c.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c index ad30f074ee1..d7058eee95f 100644 --- a/drivers/mmc/host/sdhci-s3c.c +++ b/drivers/mmc/host/sdhci-s3c.c @@ -110,11 +110,6 @@ static unsigned int sdhci_s3c_get_max_clk(struct sdhci_host *host) return max; } -static unsigned int sdhci_s3c_get_timeout_clk(struct sdhci_host *host) -{ - return sdhci_s3c_get_max_clk(host) / 1000000; -} - /** * sdhci_s3c_consider_clock - consider one the bus clocks for current setting * @ourhost: Our SDHCI instance. @@ -188,7 +183,6 @@ static void sdhci_s3c_set_clock(struct sdhci_host *host, unsigned int clock) ourhost->cur_clk = best_src; host->max_clk = clk_get_rate(clk); - host->timeout_clk = sdhci_s3c_get_timeout_clk(host); ctrl = readl(host->ioaddr + S3C_SDHCI_CONTROL2); ctrl &= ~S3C_SDHCI_CTRL2_SELBASECLK_MASK; @@ -211,7 +205,6 @@ static void sdhci_s3c_set_clock(struct sdhci_host *host, unsigned int clock) static struct sdhci_ops sdhci_s3c_ops = { .get_max_clock = sdhci_s3c_get_max_clk, - .get_timeout_clock = sdhci_s3c_get_timeout_clk, .set_clock = sdhci_s3c_set_clock, }; @@ -335,6 +328,9 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) host->quirks |= (SDHCI_QUIRK_32BIT_DMA_ADDR | SDHCI_QUIRK_32BIT_DMA_SIZE); + /* HSMMC on Samsung SoCs uses SDCLK as timeout clock */ + host->quirks |= SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK; + ret = sdhci_add_host(host); if (ret) { dev_err(dev, "sdhci_add_host() failed\n"); -- cgit v1.2.3-18-g5258