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SubjectRe: [PATCH V7 2/5] mmc: sdhci: Change O2 Host HS200 mode clock frequency to 200MHz
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On 16/07/18 09:26, ernest.zhang wrote:
> O2 SD Host HS200 mode clock frequency current is 208MHz, should be changed
> to 200MHz to meet specification.
>
> Signed-off-by: ernest.zhang <ernest.zhang@bayhubtech.com>

You left in the misleading comment. Fix that and add:

Acked-by: Adrian Hunter <adrian.hunter@intel.com>

> ---
> Change in V7:
> Change HS200 mode clock frequency from 208MHz to 200MHz to meet
> Specification.
>
> Change in V1~V6:
> N/A
> ---
> drivers/mmc/host/sdhci-pci-o2micro.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-pci-o2micro.c b/drivers/mmc/host/sdhci-pci-o2micro.c
> index ba59db6a126c..94cf3cd75dd3 100644
> --- a/drivers/mmc/host/sdhci-pci-o2micro.c
> +++ b/drivers/mmc/host/sdhci-pci-o2micro.c
> @@ -311,7 +311,7 @@ int sdhci_pci_o2_probe(struct sdhci_pci_chip *chip)
>
> /* Check Whether subId is 0x11 or 0x12 */
> if ((scratch_32 == 0x11) || (scratch_32 == 0x12)) {
> - scratch_32 = 0x2c280000;
> + scratch_32 = 0x25100000;
>
> /* Set Base Clock to 208MZ */

That comment is misleading now.

> o2_pci_set_baseclk(chip, scratch_32);
> @@ -406,7 +406,7 @@ int sdhci_pci_o2_probe(struct sdhci_pci_chip *chip)
> O2_SD_PLL_SETTING, scratch_32);
> } else {
> scratch_32 &= 0x0000FFFF;
> - scratch_32 |= 0x2c280000;
> + scratch_32 |= 0x25100000;
>
> pci_write_config_dword(chip->pdev,
> O2_SD_PLL_SETTING, scratch_32);
>

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