linux-kernel - [PATCH 4.18 048/158] i2c: aspeed: Add an explicit type casting for *get_clk_reg

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Message-Id: <20180917211713.444899154@linuxfoundation.org>
Date:   Tue, 18 Sep 2018 00:41:18 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Wolfram Sang <wsa@...-dreams.de>,
        Jae Hyun Yoo <jae.hyun.yoo@...ux.intel.com>,
        Brendan Higgins <brendanhiggins@...gle.com>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.18 048/158] i2c: aspeed: Add an explicit type casting for *get_clk_reg_val

4.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jae Hyun Yoo <jae.hyun.yoo@...ux.intel.com>

[ Upstream commit 5799c4b2f1dbc0166d9b1d94443deaafc6e7a070 ]

This commit fixes this sparse warning:
drivers/i2c/busses/i2c-aspeed.c:875:38: warning: incorrect type in assignment (different modifiers)
drivers/i2c/busses/i2c-aspeed.c:875:38:    expected unsigned int ( *get_clk_reg_val )( ... )
drivers/i2c/busses/i2c-aspeed.c:875:38:    got void const *const data

Reported-by: Wolfram Sang <wsa@...-dreams.de>
Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@...ux.intel.com>
Reviewed-by: Brendan Higgins <brendanhiggins@...gle.com>
Signed-off-by: Wolfram Sang <wsa@...-dreams.de>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/i2c/busses/i2c-aspeed.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/i2c/busses/i2c-aspeed.c
+++ b/drivers/i2c/busses/i2c-aspeed.c
@@ -868,7 +868,7 @@ static int aspeed_i2c_probe_bus(struct p
 	if (!match)
 		bus->get_clk_reg_val = aspeed_i2c_24xx_get_clk_reg_val;
 	else
-		bus->get_clk_reg_val = match->data;
+		bus->get_clk_reg_val = (u32 (*)(u32))match->data;
 
 	/* Initialize the I2C adapter */
 	spin_lock_init(&bus->lock);