| Message ID | 20220119075306.36262-1-benchuanggli@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/3] mmc: sdhci-pci-gli: Reduce the SSC value at 205MHz for GL9750 and GL9755 | expand |
On Wed, 19 Jan 2022 at 08:53, Ben Chuang <benchuanggli@gmail.com> wrote: > > From: Ben Chuang <ben.chuang@genesyslogic.com.tw> > > The SSC value is 0xFFE7 at 205MHz and may be saturated. Reduce the SSC > value to 0x5A1D at 205MHz to reduce this situation for GL9750 and GL9755. > > Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw> Applied for next, thanks! Kind regards Uffe > --- > drivers/mmc/host/sdhci-pci-gli.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/mmc/host/sdhci-pci-gli.c b/drivers/mmc/host/sdhci-pci-gli.c > index 4fd99c1e82ba..9ead32d73447 100644 > --- a/drivers/mmc/host/sdhci-pci-gli.c > +++ b/drivers/mmc/host/sdhci-pci-gli.c > @@ -390,7 +390,7 @@ static void gl9750_set_ssc(struct sdhci_host *host, u8 enable, u8 step, u16 ppm) > static void gl9750_set_ssc_pll_205mhz(struct sdhci_host *host) > { > /* set pll to 205MHz and enable ssc */ > - gl9750_set_ssc(host, 0x1, 0x1F, 0xFFE7); > + gl9750_set_ssc(host, 0x1, 0xF, 0x5A1D); > gl9750_set_pll(host, 0x1, 0x246, 0x0); > } > > @@ -533,7 +533,7 @@ static void gl9755_set_ssc(struct pci_dev *pdev, u8 enable, u8 step, u16 ppm) > static void gl9755_set_ssc_pll_205mhz(struct pci_dev *pdev) > { > /* set pll to 205MHz and enable ssc */ > - gl9755_set_ssc(pdev, 0x1, 0x1F, 0xFFE7); > + gl9755_set_ssc(pdev, 0x1, 0xF, 0x5A1D); > gl9755_set_pll(pdev, 0x1, 0x246, 0x0); > } > > -- > 2.34.1 >
diff --git a/drivers/mmc/host/sdhci-pci-gli.c b/drivers/mmc/host/sdhci-pci-gli.c index 4fd99c1e82ba..9ead32d73447 100644 --- a/drivers/mmc/host/sdhci-pci-gli.c +++ b/drivers/mmc/host/sdhci-pci-gli.c @@ -390,7 +390,7 @@ static void gl9750_set_ssc(struct sdhci_host *host, u8 enable, u8 step, u16 ppm) static void gl9750_set_ssc_pll_205mhz(struct sdhci_host *host) { /* set pll to 205MHz and enable ssc */ - gl9750_set_ssc(host, 0x1, 0x1F, 0xFFE7); + gl9750_set_ssc(host, 0x1, 0xF, 0x5A1D); gl9750_set_pll(host, 0x1, 0x246, 0x0); } @@ -533,7 +533,7 @@ static void gl9755_set_ssc(struct pci_dev *pdev, u8 enable, u8 step, u16 ppm) static void gl9755_set_ssc_pll_205mhz(struct pci_dev *pdev) { /* set pll to 205MHz and enable ssc */ - gl9755_set_ssc(pdev, 0x1, 0x1F, 0xFFE7); + gl9755_set_ssc(pdev, 0x1, 0xF, 0x5A1D); gl9755_set_pll(pdev, 0x1, 0x246, 0x0); }