| Message ID | 1483111474-29907-3-git-send-email-stefan.wahren@i2se.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Stefan Wahren <stefan.wahren@i2se.com> writes: > According to the BCM2835 datasheet the maximum block size for the > eMMC module is restricted to the internal data FIFO which is 1024 byte. > But this is still an improvement to the default of 512 byte. Confirmed that the internal FIFOs are 1k. Reviewed-by: Eric Anholt <eric@anholt.net>
On 17-01-03 10:04 AM, Eric Anholt wrote: > Stefan Wahren <stefan.wahren@i2se.com> writes: > >> According to the BCM2835 datasheet the maximum block size for the >> eMMC module is restricted to the internal data FIFO which is 1024 byte. >> But this is still an improvement to the default of 512 byte. > > Confirmed that the internal FIFOs are 1k. > > Reviewed-by: Eric Anholt <eric@anholt.net> > Acked-by: Scott Branden <scott.branden@broadcom.com> -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On 30/12/16 17:24, Stefan Wahren wrote: > According to the BCM2835 datasheet the maximum block size for the > eMMC module is restricted to the internal data FIFO which is 1024 byte. > But this is still an improvement to the default of 512 byte. > > Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> > --- > drivers/mmc/host/sdhci-iproc.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/mmc/host/sdhci-iproc.c b/drivers/mmc/host/sdhci-iproc.c > index 30b3fdf..3275d49 100644 > --- a/drivers/mmc/host/sdhci-iproc.c > +++ b/drivers/mmc/host/sdhci-iproc.c > @@ -218,7 +218,9 @@ static void sdhci_iproc_writeb(struct sdhci_host *host, u8 val, int reg) > > static const struct sdhci_iproc_data bcm2835_data = { > .pdata = &sdhci_bcm2835_pltfm_data, > - .caps = SDHCI_CAN_VDD_330 | > + .caps = ((0x1 << SDHCI_MAX_BLOCK_SHIFT) > + & SDHCI_MAX_BLOCK_MASK) | > + SDHCI_CAN_VDD_330 | > SDHCI_CAN_DO_HISPD, > .caps1 = SDHCI_DRIVER_TYPE_A | > SDHCI_DRIVER_TYPE_C, > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/mmc/host/sdhci-iproc.c b/drivers/mmc/host/sdhci-iproc.c index 30b3fdf..3275d49 100644 --- a/drivers/mmc/host/sdhci-iproc.c +++ b/drivers/mmc/host/sdhci-iproc.c @@ -218,7 +218,9 @@ static void sdhci_iproc_writeb(struct sdhci_host *host, u8 val, int reg) static const struct sdhci_iproc_data bcm2835_data = { .pdata = &sdhci_bcm2835_pltfm_data, - .caps = SDHCI_CAN_VDD_330 | + .caps = ((0x1 << SDHCI_MAX_BLOCK_SHIFT) + & SDHCI_MAX_BLOCK_MASK) | + SDHCI_CAN_VDD_330 | SDHCI_CAN_DO_HISPD, .caps1 = SDHCI_DRIVER_TYPE_A | SDHCI_DRIVER_TYPE_C,
According to the BCM2835 datasheet the maximum block size for the eMMC module is restricted to the internal data FIFO which is 1024 byte. But this is still an improvement to the default of 512 byte. Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> --- drivers/mmc/host/sdhci-iproc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)