Re: [PATCH] mmc: dw_mmc: Fix some coding style

From: Jaehoon Chung
Date: Wed Jan 04 2017 - 20:20:18 EST


Hi,

On 01/04/2017 09:52 PM, Ziyuan Xu wrote:
> Let's fix the warnings from checkpatch.pl:
>
> - line over 80 characters;
> - block comments should align the * on each Lines;
> - statements not starting on a tabstop.

If there is no critical problem,
I think that current codes are keeping better than changing.
When someone contribute the patches relevant to these, it can be also changed,
(It's more meaningful.)

Best Regards,
Jaehoon Chung

>
> Signed-off-by: Ziyuan Xu <xzy.xu@xxxxxxxxxxxxxx>
> ---
>
> drivers/mmc/host/dw_mmc.c | 33 +++++++++++++++++----------------
> 1 file changed, 17 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
> index ed63237..a8efe3f 100644
> --- a/drivers/mmc/host/dw_mmc.c
> +++ b/drivers/mmc/host/dw_mmc.c
> @@ -94,7 +94,8 @@ struct idmac_desc {
>
> __le32 des1; /* Buffer sizes */
> #define IDMAC_SET_BUFFER1_SIZE(d, s) \
> - ((d)->des1 = ((d)->des1 & cpu_to_le32(0x03ffe000)) | (cpu_to_le32((s) & 0x1fff)))
> + ((d)->des1 = ((d)->des1 & cpu_to_le32(0x03ffe000)) | \
> + (cpu_to_le32((s) & 0x1fff)))
>
> __le32 des2; /* buffer 1 physical address */
>
> @@ -2733,16 +2734,16 @@ static void dw_mci_init_dma(struct dw_mci *host)
> struct device_node *np = dev->of_node;
>
> /*
> - * Check tansfer mode from HCON[17:16]
> - * Clear the ambiguous description of dw_mmc databook:
> - * 2b'00: No DMA Interface -> Actually means using Internal DMA block
> - * 2b'01: DesignWare DMA Interface -> Synopsys DW-DMA block
> - * 2b'10: Generic DMA Interface -> non-Synopsys generic DMA block
> - * 2b'11: Non DW DMA Interface -> pio only
> - * Compared to DesignWare DMA Interface, Generic DMA Interface has a
> - * simpler request/acknowledge handshake mechanism and both of them
> - * are regarded as external dma master for dw_mmc.
> - */
> + * Check tansfer mode from HCON[17:16]
> + * Clear the ambiguous description of dw_mmc databook:
> + * 2b'00: No DMA Interface -> Actually means using Internal DMA block
> + * 2b'01: DesignWare DMA Interface -> Synopsys DW-DMA block
> + * 2b'10: Generic DMA Interface -> non-Synopsys generic DMA block
> + * 2b'11: Non DW DMA Interface -> pio only
> + * Compared to DesignWare DMA Interface, Generic DMA Interface has a
> + * simpler request/acknowledge handshake mechanism and both of them
> + * are regarded as external dma master for dw_mmc.
> + */
> host->use_dma = SDMMC_GET_TRANS_MODE(mci_readl(host, HCON));
> if (host->use_dma == DMA_INTERFACE_IDMA) {
> host->use_dma = TRANS_MODE_IDMAC;
> @@ -2756,9 +2757,9 @@ static void dw_mci_init_dma(struct dw_mci *host)
> /* Determine which DMA interface to use */
> if (host->use_dma == TRANS_MODE_IDMAC) {
> /*
> - * Check ADDR_CONFIG bit in HCON to find
> - * IDMAC address bus width
> - */
> + * Check ADDR_CONFIG bit in HCON to find
> + * IDMAC address bus width
> + */
> addr_config = SDMMC_GET_ADDR_CONFIG(mci_readl(host, HCON));
>
> if (addr_config == 1) {
> @@ -3337,8 +3338,8 @@ int dw_mci_runtime_resume(struct device *dev)
> * Restore the initial value at FIFOTH register
> * And Invalidate the prev_blksz with zero
> */
> - mci_writel(host, FIFOTH, host->fifoth_val);
> - host->prev_blksz = 0;
> + mci_writel(host, FIFOTH, host->fifoth_val);
> + host->prev_blksz = 0;
>
> /* Put in max timeout */
> mci_writel(host, TMOUT, 0xFFFFFFFF);
>