When MMC_WRITE is disabled this driver produced a build error. Fix this.
Also update a comment while we are here.
Signed-off-by: Simon Glass sjg@chromium.org ---
drivers/mmc/sandbox_mmc.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/sandbox_mmc.c b/drivers/mmc/sandbox_mmc.c index 451fe4a4e5a..ba79a5565c3 100644 --- a/drivers/mmc/sandbox_mmc.c +++ b/drivers/mmc/sandbox_mmc.c @@ -23,6 +23,8 @@ struct sandbox_mmc_plat { #define MMC_CMULT 8 /* 8 because the card is high-capacity */ #define MMC_BL_LEN_SHIFT 10 #define MMC_BL_LEN BIT(MMC_BL_LEN_SHIFT) + +/* Granularity of priv->csize - this is 1MB */ #define SIZE_MULTIPLE ((1 << (MMC_CMULT + 2)) * MMC_BL_LEN)
struct sandbox_mmc_priv { @@ -41,7 +43,6 @@ static int sandbox_mmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd, struct mmc_data *data) { struct sandbox_mmc_priv *priv = dev_get_priv(dev); - struct mmc *mmc = mmc_get_mmc_dev(dev); static ulong erase_start, erase_end;
switch (cmd->cmdidx) { @@ -95,10 +96,15 @@ static int sandbox_mmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd, case SD_CMD_ERASE_WR_BLK_END: erase_end = cmd->cmdarg; break; - case MMC_CMD_ERASE: +#if CONFIG_IS_ENABLED(MMC_WRITE) + case MMC_CMD_ERASE: { + struct mmc *mmc = mmc_get_mmc_dev(dev); + memset(&priv->buf[erase_start * mmc->write_bl_len], '\0', (erase_end - erase_start + 1) * mmc->write_bl_len); break; + } +#endif case SD_CMD_APP_SEND_OP_COND: cmd->response[0] = OCR_BUSY | OCR_HCS; cmd->response[1] = 0;