Re: [PATCH v2 4/4] spi: s3c64xx: support interrupt based pio mode

[Krzysztof Kozlowski]

On 19/04/2023 11:45, Jaewon Kim wrote:
>>>   static int s3c64xx_wait_for_pio(struct s3c64xx_spi_driver_data *sdd,
>>> -				struct spi_transfer *xfer)
>>> +				struct spi_transfer *xfer, int use_irq)
>>>   {
>>>   	void __iomem *regs = sdd->regs;
>>>   	unsigned long val;
>>> +	unsigned long time;
>>>   	u32 status;
>>>   	int loops;
>>>   	u32 cpy_len;
>>> @@ -563,17 +568,24 @@ static int s3c64xx_wait_for_pio(struct s3c64xx_spi_driver_data *sdd,
>>>   	int ms;
>>>   	u32 tx_time;
>>>   
>>> -	/* sleep during signal transfer time */
>>> -	status = readl(regs + S3C64XX_SPI_STATUS);
>>> -	if (RX_FIFO_LVL(status, sdd) < xfer->len) {
>>> -		tx_time = (xfer->len * 8 * 1000 * 1000) / sdd->cur_speed;
>>> -		usleep_range(tx_time / 2, tx_time);
>>> -	}
>> You just added this code. Adding and immediately removing it, suggests
>> this should be one patch.
>>
> This code has been moved, not removed.

Move consists of remove and add. Add it in correct place since beginning.

Best regards,
Krzysztof