Neil Armstrong <[email protected]> writes: > The actual max_segs computation leads to failure while using the broadcom > sdio brcmfmac/bcmsdh driver, since the driver tries to make usage of scatter > gather. > > But with the dram-access-quirk we use a 1,5K SRAM bounce buffer, and the > max_segs current value of 3 leads to max transfers to 4,5k, which doesn't > work. > > This patch sets max_segs to 1 to better describe the hardware limitation, > and fix the SDIO functionnality with the brcmfmac/bcmsdh driver on Amlogic > G12A/G12B SoCs on boards like SEI510 or Khadas VIM3. > > Reported-by: Art Nikpal <[email protected]> > Reported-by: Christian Hewitt <[email protected]> > Fixes: acdc8e71d9bb ("mmc: meson-gx: add dram-access-quirk") > Signed-off-by: Neil Armstrong <[email protected]>
Reviewed-by: Kevin Hilman <[email protected]>
