linux-kernel - Re: [PATCH 1/4] MMC: Ingenic: Adjust the macro definition name.

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Date:   Fri, 13 Sep 2019 23:59:11 +0800
From:   Zhou Yanjie <zhouyanjie@...o.com>
To:     Ezequiel Garcia <ezequiel@...labora.com>,
        linux-mips@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, linux-mmc@...r.kernel.org,
        devicetree@...r.kernel.org, ulf.hansson@...aro.org,
        paul.burton@...s.com, linus.walleij@...aro.org,
        paul@...pouillou.net, malat@...ian.org, yuehaibing@...wei.com,
        robh+dt@...nel.org, mark.rutland@....com, syq@...ian.org,
        jiaxun.yang@...goat.com
Subject: Re: [PATCH 1/4] MMC: Ingenic: Adjust the macro definition name.

Hi Ezequiel,

On 2019年09月13日 23:32, Ezequiel Garcia wrote:
> Hi Zhou,
>
> Thanks for your interest in this driver, I'm glad
> so see it's more used.
>
> On Thu, 2019-09-05 at 15:38 +0800, Zhou Yanjie wrote:
>> Adjust the macro definition name to match the corresponding
>> register name in the datasheet.
>>
> It's not really an issue to have slighlt different
> names on the macros. They are currently sufficiently
> descriptive, and I don't think it's deserves a patch.
Thanks for your advice, I'll drop this in v2. Do you have any suggestions
for the other three patches?

Best regards!
>
> Thanks,
> Ezequiel
>
>> Signed-off-by: Zhou Yanjie <zhouyanjie@...o.com>
>> ---
>>   drivers/mmc/host/jz4740_mmc.c | 18 +++++++++---------
>>   1 file changed, 9 insertions(+), 9 deletions(-)
>>
>> diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c
>> index ffdbfaa..1b1fcb7 100644
>> --- a/drivers/mmc/host/jz4740_mmc.c
>> +++ b/drivers/mmc/host/jz4740_mmc.c
>> @@ -28,7 +28,7 @@
>>   #include <asm/mach-jz4740/dma.h>
>>   
>>   #define JZ_REG_MMC_STRPCL	0x00
>> -#define JZ_REG_MMC_STATUS	0x04
>> +#define JZ_REG_MMC_STAT		0x04
>>   #define JZ_REG_MMC_CLKRT	0x08
>>   #define JZ_REG_MMC_CMDAT	0x0C
>>   #define JZ_REG_MMC_RESTO	0x10
>> @@ -40,7 +40,7 @@
>>   #define JZ_REG_MMC_IREG		0x28
>>   #define JZ_REG_MMC_CMD		0x2C
>>   #define JZ_REG_MMC_ARG		0x30
>> -#define JZ_REG_MMC_RESP_FIFO	0x34
>> +#define JZ_REG_MMC_RES		0x34
>>   #define JZ_REG_MMC_RXFIFO	0x38
>>   #define JZ_REG_MMC_TXFIFO	0x3C
>>   #define JZ_REG_MMC_DMAC		0x44
>> @@ -391,7 +391,7 @@ static void jz4740_mmc_clock_disable(struct jz4740_mmc_host *host)
>>   
>>   	writew(JZ_MMC_STRPCL_CLOCK_STOP, host->base + JZ_REG_MMC_STRPCL);
>>   	do {
>> -		status = readl(host->base + JZ_REG_MMC_STATUS);
>> +		status = readl(host->base + JZ_REG_MMC_STAT);
>>   	} while (status & JZ_MMC_STATUS_CLK_EN && --timeout);
>>   }
>>   
>> @@ -403,7 +403,7 @@ static void jz4740_mmc_reset(struct jz4740_mmc_host *host)
>>   	writew(JZ_MMC_STRPCL_RESET, host->base + JZ_REG_MMC_STRPCL);
>>   	udelay(10);
>>   	do {
>> -		status = readl(host->base + JZ_REG_MMC_STATUS);
>> +		status = readl(host->base + JZ_REG_MMC_STAT);
>>   	} while (status & JZ_MMC_STATUS_IS_RESETTING && --timeout);
>>   }
>>   
>> @@ -446,7 +446,7 @@ static void jz4740_mmc_transfer_check_state(struct jz4740_mmc_host *host,
>>   {
>>   	int status;
>>   
>> -	status = readl(host->base + JZ_REG_MMC_STATUS);
>> +	status = readl(host->base + JZ_REG_MMC_STAT);
>>   	if (status & JZ_MMC_STATUS_WRITE_ERROR_MASK) {
>>   		if (status & (JZ_MMC_STATUS_TIMEOUT_WRITE)) {
>>   			host->req->cmd->error = -ETIMEDOUT;
>> @@ -580,10 +580,10 @@ static bool jz4740_mmc_read_data(struct jz4740_mmc_host *host,
>>   	/* For whatever reason there is sometime one word more in the fifo then
>>   	 * requested */
>>   	timeout = 1000;
>> -	status = readl(host->base + JZ_REG_MMC_STATUS);
>> +	status = readl(host->base + JZ_REG_MMC_STAT);
>>   	while (!(status & JZ_MMC_STATUS_DATA_FIFO_EMPTY) && --timeout) {
>>   		d = readl(fifo_addr);
>> -		status = readl(host->base + JZ_REG_MMC_STATUS);
>> +		status = readl(host->base + JZ_REG_MMC_STAT);
>>   	}
>>   
>>   	return false;
>> @@ -614,7 +614,7 @@ static void jz4740_mmc_read_response(struct jz4740_mmc_host *host,
>>   {
>>   	int i;
>>   	uint16_t tmp;
>> -	void __iomem *fifo_addr = host->base + JZ_REG_MMC_RESP_FIFO;
>> +	void __iomem *fifo_addr = host->base + JZ_REG_MMC_RES;
>>   
>>   	if (cmd->flags & MMC_RSP_136) {
>>   		tmp = readw(fifo_addr);
>> @@ -797,7 +797,7 @@ static irqreturn_t jz_mmc_irq(int irq, void *devid)
>>   	struct mmc_command *cmd = host->cmd;
>>   	uint32_t irq_reg, status, tmp;
>>   
>> -	status = readl(host->base + JZ_REG_MMC_STATUS);
>> +	status = readl(host->base + JZ_REG_MMC_STAT);
>>   	irq_reg = jz4740_mmc_read_irq_reg(host);
>>   
>>   	tmp = irq_reg;
>
>