Hi,
This wasn't merged, after some questions from Kyungmin Park -- is
the patch still desirable?
On Thu, Jun 10, 2010 at 08:39:51PM +0900, Kukjin Kim wrote:
> From: Lee Hyuk <hyuk1....@samsung.com>
>
> 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 <hyuk1....@samsung.com>
> Signed-off-by: Kukjin Kim <kgene....@samsung.com>
> ---
> drivers/mmc/host/sdhci-s3c.c | 10 +++-------
> 1 files changed, 3 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
> index af21792..ca09382 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");
> --
> 1.6.2.5
--
Chris Ball <c...@laptop.org> <http://printf.net/>
One Laptop Per Child
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