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Re: [PATCH v2 4/6] hw/sd: sdhci: Simplify updating s->prnsts in sdhci_sd


From: Alexander Bulekov
Subject: Re: [PATCH v2 4/6] hw/sd: sdhci: Simplify updating s->prnsts in sdhci_sdma_transfer_multi_blocks()
Date: Wed, 17 Feb 2021 10:39:15 -0500

On 210216 1146, Bin Meng wrote:
> s->prnsts is updated in both branches of the if () else () statement.
> Move the common bits outside so that it is cleaner.
> 
> Signed-off-by: Bin Meng <bmeng.cn@gmail.com>

Reviewed-by: Alexander Bulekov <alxndr@bu.edu>

> ---
> 
> (no changes since v1)
> 
>  hw/sd/sdhci.c | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
> index 0b0ca6f..7a2003b 100644
> --- a/hw/sd/sdhci.c
> +++ b/hw/sd/sdhci.c
> @@ -598,9 +598,9 @@ static void sdhci_sdma_transfer_multi_blocks(SDHCIState 
> *s)
>          page_aligned = true;
>      }
>  
> +    s->prnsts |= SDHC_DATA_INHIBIT | SDHC_DAT_LINE_ACTIVE;
>      if (s->trnmod & SDHC_TRNS_READ) {
> -        s->prnsts |= SDHC_DOING_READ | SDHC_DATA_INHIBIT |
> -                SDHC_DAT_LINE_ACTIVE;
> +        s->prnsts |= SDHC_DOING_READ;
>          while (s->blkcnt) {
>              if (s->data_count == 0) {
>                  sdbus_read_data(&s->sdbus, s->fifo_buffer, block_size);
> @@ -627,8 +627,7 @@ static void sdhci_sdma_transfer_multi_blocks(SDHCIState 
> *s)
>              }
>          }
>      } else {
> -        s->prnsts |= SDHC_DOING_WRITE | SDHC_DATA_INHIBIT |
> -                SDHC_DAT_LINE_ACTIVE;
> +        s->prnsts |= SDHC_DOING_WRITE;
>          while (s->blkcnt) {
>              begin = s->data_count;
>              if (((boundary_count + begin) < block_size) && page_aligned) {
> -- 
> 2.7.4
> 



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