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SubjectRe: [PATCH v2 10/16] mmc: sdhci: Fix to use data_timer only for data line commands
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On 05/02/18 14:50, Kishon Vijay Abraham I wrote:
> commit d7422fb489eee5587d3eec ("mmc: sdhci: Separate timer timeout for
> command and data requests") while separating timer timeout for
> command and data requests, passed cmd->mrq to sdhci_mod_timer (cmd is an
> argument to sdhci_send_command) and in sdhci_mod_timer used mrq->cmd
> to check if it is a data line command. This results in using
> data timer for commands like MMC_SET_BLOCK_COUNT (CMD23) though it is
> not a data line command. Fix it here.

I am not sure why you need this change, but it is not right actually. There
are 2 timers because there can be 2 mrqs and we need to delete the correct
timer in sdhci_request_done() so it is better to make the selection based on
the mrq not the last command.

>
> Fixes: commit d7422fb489eee5587d3eec ("mmc: sdhci: Separate timer timeout for
> command and data requests")
>
> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
> ---
> drivers/mmc/host/sdhci.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> index 1aa74b4682f3..0489572d1892 100644
> --- a/drivers/mmc/host/sdhci.c
> +++ b/drivers/mmc/host/sdhci.c
> @@ -1073,10 +1073,10 @@ static void sdhci_finish_data(struct sdhci_host *host)
> }
> }
>
> -static void sdhci_mod_timer(struct sdhci_host *host, struct mmc_request *mrq,
> +static void sdhci_mod_timer(struct sdhci_host *host, struct mmc_command *cmd,
> unsigned long timeout)
> {
> - if (sdhci_data_line_cmd(mrq->cmd))
> + if (sdhci_data_line_cmd(cmd))
> mod_timer(&host->data_timer, timeout);
> else
> mod_timer(&host->timer, timeout);
> @@ -1135,7 +1135,7 @@ void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
> timeout += DIV_ROUND_UP(cmd->busy_timeout, 1000) * HZ + HZ;
> else
> timeout += 10 * HZ;
> - sdhci_mod_timer(host, cmd->mrq, timeout);
> + sdhci_mod_timer(host, cmd, timeout);
>
> host->cmd = cmd;
> if (sdhci_data_line_cmd(cmd)) {
>

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