[U-Boot] [PATCH V3] mmc: seperate block number into small parts for multi-write cmd

[Wolfgang Denk <wd@denx.de>]

Dear Lei Wen,

In message <1286811544-9312-1-git-send-email-leiwen@marvell.com> you wrote:
> Constraint the mmc framework to only send no more than 65535
> blocks in one go during the multi-write command. This constraint
> comes due to the limitation of 16bit width block counter register
> at some hardware.
...

> @@ -123,7 +111,6 @@ mmc_bwrite(int dev_num, ulong start, lbaint_t blkcnt, const void*src)
>  	data.flags = MMC_DATA_WRITE;
>  
>  	err = mmc_send_cmd(mmc, &cmd, &data);
> -
>  	if (err) {
>  		printf("mmc write failed\n\r");
>  		return err;

Please don;t drop this empty line.

> +	do {
> +		/* The 65535 constraint comes from some hardware has
> +		 * only 16 bit width block number counter */

Incorrect multi-line comment style.

> +		cur = (blocks_todo > 65535) ? 65535 : blocks_todo;
> +		if(mmc_write_blocks(mmc, start, cur, src) != cur)
> +			return -1;
> +		blocks_todo -= cur;
> +		start += cur;
> +		src += cur * mmc->write_bl_len;
> +	} while (blocks_todo > 0);
>  	return blkcnt;

Please add a blank line before the "return".

Thanks.

Best regards,

Wolfgang Denk

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