[PATCH] spi: aspeed: Use devm_iounmap() to unmap devm_ioremap() memory

[Chin-Ting Kuo]

The AHB IO memory for each chip select is mapped using
devm_ioremap(), so it should be unmapped using devm_iounmap()
to ensure proper device-managed resource cleanup.

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202510292356.JnTUBxCl-lkp@xxxxxxxxx/
Signed-off-by: Chin-Ting Kuo <chin-ting_kuo@xxxxxxxxxxxxxx>
---
 drivers/spi/spi-aspeed-smc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi-aspeed-smc.c b/drivers/spi/spi-aspeed-smc.c
index e8bd8fe6c4e7..179c47ffbfeb 100644
--- a/drivers/spi/spi-aspeed-smc.c
+++ b/drivers/spi/spi-aspeed-smc.c
@@ -396,7 +396,7 @@ static int aspeed_spi_set_window(struct aspeed_spi *aspi)
 
 	for (cs = 0; cs < aspi->data->max_cs; cs++) {
 		if (aspi->chips[cs].ahb_base) {
-			iounmap(aspi->chips[cs].ahb_base);
+			devm_iounmap(dev, aspi->chips[cs].ahb_base);
 			aspi->chips[cs].ahb_base = NULL;
 		}
 	}
-- 
2.34.1