Linux SPI subsystem development
 help / color / mirror / Atom feed
From: Santhosh Kumar K <s-k6@ti.com>
To: Pratyush Yadav <pratyush@kernel.org>
Cc: <miquel.raynal@bootlin.com>, <broonie@kernel.org>,
	<vigneshr@ti.com>, <marex@denx.de>, <computersforpeace@gmail.com>,
	<grmoore@opensource.altera.com>, <theo.lebrun@bootlin.com>,
	<linux-spi@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<praneeth@ti.com>, <p-mantena@ti.com>, <a-dutta@ti.com>,
	<u-kumar1@ti.com>, <s-k6@ti.com>
Subject: Re: [PATCH 4/4] spi: cadence-quadspi: Use BIT() macros where possible
Date: Fri, 5 Sep 2025 16:34:59 +0530	[thread overview]
Message-ID: <580f00f4-ee1a-4e78-a028-18cdb3b01119@ti.com> (raw)
In-Reply-To: <mafs0bjnqtgr0.fsf@kernel.org>



On 04/09/25 20:19, Pratyush Yadav wrote:
> On Thu, Sep 04 2025, Santhosh Kumar K wrote:
> 
>> From: Vignesh Raghavendra <vigneshr@ti.com>
>>
>> Convert few open coded bit shifts to BIT() macro for better readability.
>> No functional changes intended.
>>
>> Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
>> Signed-off-by: Santhosh Kumar K <s-k6@ti.com>
> 
> I see there are total 7 hits for the pattern "1 <<". Why not convert
> them all while you're at it?

Yeah, I just checked - I'll convert them as well.

Regards,
Santhosh.

> 
>> ---
>>   drivers/spi/spi-cadence-quadspi.c | 6 +++---
>>   1 file changed, 3 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c
>> index da3ec15abb3e..b18f095516f2 100644
>> --- a/drivers/spi/spi-cadence-quadspi.c
>> +++ b/drivers/spi/spi-cadence-quadspi.c
>> @@ -335,7 +335,7 @@ static bool cqspi_is_idle(struct cqspi_st *cqspi)
>>   {
>>   	u32 reg = readl(cqspi->iobase + CQSPI_REG_CONFIG);
>>   
>> -	return reg & (1UL << CQSPI_REG_CONFIG_IDLE_LSB);
>> +	return reg & BIT(CQSPI_REG_CONFIG_IDLE_LSB);
>>   }
>>   
>>   static u32 cqspi_get_rd_sram_level(struct cqspi_st *cqspi)
>> @@ -571,7 +571,7 @@ static int cqspi_command_read(struct cqspi_flash_pdata *f_pdata,
>>   		reg |= (dummy_clk & CQSPI_REG_CMDCTRL_DUMMY_MASK)
>>   		     << CQSPI_REG_CMDCTRL_DUMMY_LSB;
>>   
>> -	reg |= (0x1 << CQSPI_REG_CMDCTRL_RD_EN_LSB);
>> +	reg |= BIT(CQSPI_REG_CMDCTRL_RD_EN_LSB);
>>   
>>   	/* 0 means 1 byte. */
>>   	reg |= (((n_rx - 1) & CQSPI_REG_CMDCTRL_RD_BYTES_MASK)
>> @@ -1191,7 +1191,7 @@ static void cqspi_chipselect(struct cqspi_flash_pdata *f_pdata)
>>   		 * CS2 to 4b'1011
>>   		 * CS3 to 4b'0111
>>   		 */
>> -		chip_select = 0xF & ~(1 << chip_select);
>> +		chip_select = 0xF & ~BIT(chip_select);
>>   	}
>>   
>>   	reg &= ~(CQSPI_REG_CONFIG_CHIPSELECT_MASK
> 


      reply	other threads:[~2025-09-05 11:05 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-04 13:31 [PATCH 0/4] Miscellaneous fixes and clean-ups Santhosh Kumar K
2025-09-04 13:31 ` [PATCH 1/4] spi: cadence-quadspi: Flush posted register writes before INDAC access Santhosh Kumar K
2025-09-04 14:35   ` Pratyush Yadav
2025-09-04 13:31 ` [PATCH 2/4] spi: cadence-quadspi: Flush posted register writes before DAC access Santhosh Kumar K
2025-09-04 14:36   ` Pratyush Yadav
2025-09-04 13:31 ` [PATCH 3/4] spi: cadence-quadspi: Fix cqspi_setup_flash() Santhosh Kumar K
2025-09-04 14:41   ` Pratyush Yadav
2025-09-05 11:04     ` Santhosh Kumar K
2025-09-04 15:32   ` Théo Lebrun
2025-09-05 11:04     ` Santhosh Kumar K
2025-09-04 13:31 ` [PATCH 4/4] spi: cadence-quadspi: Use BIT() macros where possible Santhosh Kumar K
2025-09-04 14:49   ` Pratyush Yadav
2025-09-05 11:04     ` Santhosh Kumar K [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=580f00f4-ee1a-4e78-a028-18cdb3b01119@ti.com \
    --to=s-k6@ti.com \
    --cc=a-dutta@ti.com \
    --cc=broonie@kernel.org \
    --cc=computersforpeace@gmail.com \
    --cc=grmoore@opensource.altera.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-spi@vger.kernel.org \
    --cc=marex@denx.de \
    --cc=miquel.raynal@bootlin.com \
    --cc=p-mantena@ti.com \
    --cc=praneeth@ti.com \
    --cc=pratyush@kernel.org \
    --cc=theo.lebrun@bootlin.com \
    --cc=u-kumar1@ti.com \
    --cc=vigneshr@ti.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox