i2c: aspeed: Add an explicit type casting for *get_clk_reg_val

[ 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@the-dreams.de>
Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c
index 284f867..2feae9a 100644 (file)
--- a/drivers/i2c/busses/i2c-aspeed.c
+++ b/drivers/i2c/busses/i2c-aspeed.c
@@ -859,7 +859,7 @@ static int aspeed_i2c_probe_bus(struct platform_device *pdev)
        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);