linux-kernel - [PATCH 0/2] spi: hisi-kunpeng: Set verification for speed_hz and max

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Message-ID: <20240730032040.3156393-1-liudingyuan@huawei.com>
Date: Tue, 30 Jul 2024 11:20:38 +0800
From: Devyn Liu <liudingyuan@...wei.com>
To: <f.fangjian@...wei.com>, <broonie@...nel.org>
CC: <linux-spi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<jonathan.cameron@...wei.com>, <salil.mehta@...wei.com>,
	<shameerali.kolothum.thodi@...wei.com>, <shiju.jose@...wei.com>,
	<liuyonglong@...wei.com>, <yangyicong@...wei.com>, <yisen.zhuang@...wei.com>,
	<kong.kongxinwei@...ilicon.com>, <liudingyuan@...wei.com>
Subject: [PATCH 0/2] spi: hisi-kunpeng: Set verification for speed_hz and max_frequency

The speed_hz is specified by user, while the max_frequency is a
firmware-provided parameter for the SPI controller. Both are used
in the calculation of clk_div. To avoid calculation results outside
of a reasonable range and to prevent division by zero errors,
configuration for validation of speed_hz and max_frequency is added
in the code.

Devyn Liu (2):
  spi: hisi-kunpeng: Add validation for the minimum value of speed_hz
  spi: hisi-kunpeng: Add verification for the max_frequency provided by
    the firmware

 drivers/spi/spi-hisi-kunpeng.c | 4 ++++
 1 file changed, 4 insertions(+)

-- 
2.33.0