Patch "clk: mediatek: clk-mt8173-apmixedsys: Fix iomap not released issue" has been added to the 6.4-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    clk: mediatek: clk-mt8173-apmixedsys: Fix iomap not released issue

to the 6.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     clk-mediatek-clk-mt8173-apmixedsys-fix-iomap-not-rel.patch
and it can be found in the queue-6.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 8b0b7db8639c4a2335dc521be3e7fbd7f8f02676
Author: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
Date:   Thu Jun 15 14:20:51 2023 +0200

    clk: mediatek: clk-mt8173-apmixedsys: Fix iomap not released issue
    
    [ Upstream commit b270ae61730e0ebccee39a21dd3311d6896a38ae ]
    
    In case of error after of_ioremap() the resource must be released:
    call iounmap() where appropriate to fix that.
    
    Fixes: 41138fbf876c ("clk: mediatek: mt8173: Migrate to platform driver and common probe")
    Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
    Link: https://lore.kernel.org/r/20230615122051.546985-4-angelogioacchino.delregno@xxxxxxxxxxxxx
    Reviewed-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx>
    Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/clk/mediatek/clk-mt8173-apmixedsys.c b/drivers/clk/mediatek/clk-mt8173-apmixedsys.c
index c7adcfcc12e27..307c24aa1fb41 100644
--- a/drivers/clk/mediatek/clk-mt8173-apmixedsys.c
+++ b/drivers/clk/mediatek/clk-mt8173-apmixedsys.c
@@ -151,8 +151,10 @@ static int clk_mt8173_apmixed_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK);
-	if (IS_ERR_OR_NULL(clk_data))
+	if (IS_ERR_OR_NULL(clk_data)) {
+		iounmap(base);
 		return -ENOMEM;
+	}
 
 	fhctl_parse_dt(fhctl_node, pllfhs, ARRAY_SIZE(pllfhs));
 	r = mtk_clk_register_pllfhs(node, plls, ARRAY_SIZE(plls),
@@ -186,6 +188,7 @@ static int clk_mt8173_apmixed_probe(struct platform_device *pdev)
 				  ARRAY_SIZE(pllfhs), clk_data);
 free_clk_data:
 	mtk_free_clk_data(clk_data);
+	iounmap(base);
 	return r;
 }