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Message-ID: <2024062408-stash-gluten-ef19@gregkh>
Date: Mon, 24 Jun 2024 15:17:43 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: Abhinav Jain <jain.abhinav177@...il.com>
Cc: linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
skhan@...uxfoundation.org, javier.carrasco.cruz@...il.com
Subject: Re: [PATCH] staging: rtl8723bs: Align address to 4-byte boundary
On Fri, Jun 14, 2024 at 10:42:56PM +0000, Abhinav Jain wrote:
> Add address alignment in sdio_local_read, _sdio_local_read &
> sdio_local_write functions as per the TODO.
How was this tested?
>
> Signed-off-by: Abhinav Jain <jain.abhinav177@...il.com>
> ---
> drivers/staging/rtl8723bs/hal/sdio_ops.c | 12 +++---------
> 1 file changed, 3 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/staging/rtl8723bs/hal/sdio_ops.c b/drivers/staging/rtl8723bs/hal/sdio_ops.c
> index 107f427ee4aa..caee2d2043b3 100644
> --- a/drivers/staging/rtl8723bs/hal/sdio_ops.c
> +++ b/drivers/staging/rtl8723bs/hal/sdio_ops.c
> @@ -478,9 +478,6 @@ void sdio_set_intf_ops(struct adapter *adapter, struct _io_ops *ops)
> ops->_write_port = &sdio_write_port;
> }
>
> -/*
> - * Todo: align address to 4 bytes.
> - */
> static s32 _sdio_local_read(
> struct adapter *adapter,
> u32 addr,
> @@ -494,6 +491,7 @@ static s32 _sdio_local_read(
> u8 *tmpbuf;
> u32 n;
>
> + addr = addr & ~3;
Are you sure you are allowed to do this? Why? And a comment about what
you are doing, and why it is required to do so, is needed for this to be
acceptable.
thanks,
greg k-h
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