Commit 94d765bb authored by Heiner Kallweit's avatar Heiner Kallweit Committed by Ulf Hansson
Browse files

mmc: meson-gx: simplify bounce buffer setting in meson_mmc_start_cmd 



Core ensures that there are no commands with cmd->data being set and
nothing to transfer. And we don't have to reset bit CMD_CFG_DATA_NUM
because cmd_cfg was zero-initialized and this bit isn't set.

Signed-off-by: default avatarHeiner Kallweit <hkallweit1@gmail.com>
Acked-by: default avatarKevin Hilman <khilman@baylibre.com>
Tested-by: default avatarKevin Hilman <khilman@baylibre.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent bc2dcc1a

drivers/mmc/host/meson-gx-mmc.c

+1 −8
Original line number Diff line number Diff line
@@ -516,14 +516,7 @@ static void meson_mmc_start_cmd(struct mmc_host *mmc, struct mmc_command *cmd) 
			desc->cmd_cfg &= ~CMD_CFG_DATA_WR;

		}



		if (xfer_bytes > 0) {

			desc->cmd_cfg &= ~CMD_CFG_DATA_NUM;

		desc->cmd_data = host->bounce_dma_addr & CMD_DATA_MASK;

		} else {

			/* write data to data_addr */

			desc->cmd_cfg |= CMD_CFG_DATA_NUM;

			desc->cmd_data = 0;

		}



		cmd_cfg_timeout = 12;

	} else {