Messages in this thread | | | Subject | Re: [PATCH V7 2/5] mmc: sdhci: Change O2 Host HS200 mode clock frequency to 200MHz | From | Adrian Hunter <> | Date | Wed, 25 Jul 2018 10:45:20 +0300 |
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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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