Without this patch, the hardware *will* hang on <3.2 kernels when a 512-byte SDIO transfer occurs.
3.2-rc added an SDIO quirk to work around this, so this code was stripped from the driver when committed to the mainline. Signed-off-by: Solomon Peachy <[email protected]> --- .../network/75-cw1200-sdio-quirk/cw1200.patch | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 patches/collateral-evolutions/network/75-cw1200-sdio-quirk/cw1200.patch diff --git a/patches/collateral-evolutions/network/75-cw1200-sdio-quirk/cw1200.patch b/patches/collateral-evolutions/network/75-cw1200-sdio-quirk/cw1200.patch new file mode 100644 index 0000000..2533051 --- /dev/null +++ b/patches/collateral-evolutions/network/75-cw1200-sdio-quirk/cw1200.patch @@ -0,0 +1,15 @@ +--- a/drivers/net/wireless/cw1200/cw1200_sdio.c ++++ b/drivers/net/wireless/cw1200/cw1200_sdio.c +@@ -253,6 +253,12 @@ static size_t cw1200_sdio_align_size(struct hwbus_priv *self, size_t size) + else + size = sdio_align_size(self->func, size); + ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0)) ++ /* A quirk to handle this was committed in 3.2-rc */ ++ if (size == SDIO_BLOCK_SIZE) ++ size += SDIO_BLOCK_SIZE; /* HW bug; force use of block mode */ ++#endif ++ + return size; + } + -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe backports" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
