clk: mediatek: clk-mt8173-apmixedsys: Fix return value for of_iomap() error

[ Upstream commit 3dc265b369ee61db999d6d1588e888eb21dc421e ]

The of_iomap() function returns NULL in case of error so usage of
PTR_ERR() is wrong!
Change that to return -ENOMEM in case of failure.

Fixes: 41138fbf876c ("clk: mediatek: mt8173: Migrate to platform driver and common probe")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230615122051.546985-3-angelogioacchino.delregno@collabora.com
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Markus Schneider-Pargmann <msp@baylibre.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/clk/mediatek/clk-mt8173-apmixedsys.c b/drivers/clk/mediatek/clk-mt8173-apmixedsys.c
index a56c5845d07a58334148a7263d6d0e471b4d3126..a335d076d3f2804de4da6a0dd0dd0ae071fa29f8 100644 (file)
--- a/drivers/clk/mediatek/clk-mt8173-apmixedsys.c
+++ b/drivers/clk/mediatek/clk-mt8173-apmixedsys.c
@@ -92,7 +92,7 @@ static int clk_mt8173_apmixed_probe(struct platform_device *pdev)
 
        base = of_iomap(node, 0);
        if (!base)
-               return PTR_ERR(base);
+               return -ENOMEM;
 
        clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK);
        if (IS_ERR_OR_NULL(clk_data))