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Commit 1d4de9ed authored by Marc Pignat's avatar Marc Pignat Committed by Pierre Ossman
Browse files

mmc: at91_mci: disable handling of blocks with size not multiple of 4 bytes 



This kind of transfer is not supported, so don't advertise it and make it
fail early.

Signed-off-by: default avatarMarc Pignat <marc.pignat@hevs.ch>
Signed-off-by: default avatarPierre Ossman <drzeus@drzeus.cx>
parent 8fdd8521

drivers/mmc/host/at91_mci.c

+8 −0
Original line number Diff line number Diff line
@@ -428,6 +428,14 @@ static void at91_mci_send_command(struct at91mci_host *host, struct mmc_command 
	}



	if (data) {



		if ( data->blksz & 0x3 ) {

			pr_debug("Unsupported block size\n");

			cmd->error = -EINVAL;

			mmc_request_done(host->mmc, host->request);

			return;

		}



		block_length = data->blksz;

		blocks = data->blocks;