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Sat, 05 Apr 2025 07:19:17 -0700 (PDT) Date: Sat, 5 Apr 2025 17:19:13 +0300 From: Dan Carpenter To: Erick Karanja Cc: gregkh@linuxfoundation.org, outreachy@lists.linux.dev, philipp.g.hortmann@gmail.com, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] staging: rtl8723bs: Optimize variable initialization in rtl8723b_hal_init.c Message-ID: <8ce041b2-087c-4d47-891f-28ecc0c91c76@stanley.mountain> References: Precedence: bulk X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Sat, Apr 05, 2025 at 06:14:48AM +0300, Erick Karanja wrote: > Optimize variable initialization by integrating the initialization > directly into the variable declaration in cases where the initialization > is simple and doesn't depend on other variables or complex expressions. > This makes the code more concise and readable. > > Signed-off-by: Erick Karanja > --- > .../staging/rtl8723bs/hal/rtl8723b_hal_init.c | 155 +++++------------- > 1 file changed, 41 insertions(+), 114 deletions(-) > > diff --git a/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c b/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c > index e15ec6452fd0..1e980b291e90 100644 > --- a/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c > +++ b/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c > @@ -152,13 +152,12 @@ static int _WriteFW(struct adapter *padapter, void *buffer, u32 size) > void _8051Reset8723(struct adapter *padapter) > { > u8 cpu_rst; > - u8 io_rst; > + u8 io_rst = rtw_read8(padapter, REG_RSV_CTRL + 1); > > > /* Reset 8051(WLMCU) IO wrapper */ > /* 0x1c[8] = 0 */ > /* Suggested by Isaac@SD1 and Gimmy@SD1, coding by Lucas@20130624 */ > - io_rst = rtw_read8(padapter, REG_RSV_CTRL+1); > io_rst &= ~BIT(0); > rtw_write8(padapter, REG_RSV_CTRL+1, io_rst); I hate this. It's a bad idea to put "code" in the declaration block. > @@ -501,8 +499,7 @@ void Hal_GetEfuseDefinition( > switch (type) { > case TYPE_EFUSE_MAX_SECTION: > { > - u8 *pMax_section; > - pMax_section = pOut; > + u8 *pMax_section = pOut; This is fine because "pOut" is a variable. It doesn't have side effects and it's not "code" in that sense. regards, dan carpenter