linux-kernel - Re: (subset) [PATCH] tpm: loongson: Add bufsiz parameter to tpm_loongson

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Message-Id: <175880079495.625134.9934244689955652059.b4-ty@kernel.org>
Date: Thu, 25 Sep 2025 12:46:34 +0100
From: Lee Jones <lee@...nel.org>
To: Lee Jones <lee@...nel.org>, Qunqin Zhao <zhaoqunqin@...ngson.cn>, 
 Yinggang Gu <guyinggang@...ngson.cn>, Huacai Chen <chenhuacai@...nel.org>, 
 Nathan Chancellor <nathan@...nel.org>
Cc: Peter Huewe <peterhuewe@....de>, Jarkko Sakkinen <jarkko@...nel.org>, 
 Jason Gunthorpe <jgg@...pe.ca>, linux-integrity@...r.kernel.org, 
 linux-kernel@...r.kernel.org
Subject: Re: (subset) [PATCH] tpm: loongson: Add bufsiz parameter to
 tpm_loongson_send()

On Wed, 17 Sep 2025 10:09:00 -0700, Nathan Chancellor wrote:
> Commit 5c83b07df9c5 ("tpm: Add a driver for Loongson TPM device") has a
> semantic conflict with commit 07d8004d6fb9 ("tpm: add bufsiz parameter
> in the .send callback"), as the former change was developed against a
> tree without the latter change. This results in a build error:
> 
>   drivers/char/tpm/tpm_loongson.c:48:17: error: initialization of 'int (*)(struct tpm_chip *, u8 *, size_t,  size_t)' {aka 'int (*)(struct tpm_chip *, unsigned char *, long unsigned int,  long unsigned int)'} from incompatible pointer type 'int (*)(struct tpm_chip *, u8 *, size_t)' {aka 'int (*)(struct tpm_chip *, unsigned char *, long unsigned int)'} [-Wincompatible-pointer-types]
>      48 |         .send = tpm_loongson_send,
>         |                 ^~~~~~~~~~~~~~~~~
>   drivers/char/tpm/tpm_loongson.c:48:17: note: (near initialization for 'tpm_loongson_ops.send')
>   drivers/char/tpm/tpm_loongson.c:31:12: note: 'tpm_loongson_send' declared here
>      31 | static int tpm_loongson_send(struct tpm_chip *chip, u8 *buf, size_t count)
>         |            ^~~~~~~~~~~~~~~~~
> 
> [...]

Applied, thanks!

[1/1] tpm: loongson: Add bufsiz parameter to tpm_loongson_send()
      commit: 39377467669197b02479798f49e3f19344155dc9

--
Lee Jones [李琼斯]