linux-kernel - [PATCH] spi: microchip-core: Fix the error handling path in mchp_corespi

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Date:   Sat, 11 Jun 2022 09:37:46 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Lewis Hanly <lewis.hanly@...rochip.com>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Mark Brown <broonie@...nel.org>,
        Daire McNamara <daire.mcnamara@...rochip.com>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        linux-riscv@...ts.infradead.org, linux-spi@...r.kernel.org
Subject: [PATCH] spi: microchip-core: Fix the error handling path in mchp_corespi_probe()

clk_prepare_enable() is called instead of clk_disable_unprepare() in the
error handling path of the probe function.

Change the function that is called so that resources are released
correctly.

Fixes: 9ac8d17694b6 ("spi: add support for microchip fpga spi controllers")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/spi/spi-microchip-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi-microchip-core.c b/drivers/spi/spi-microchip-core.c
index 5b2aee30fa04..bf6847d95fe3 100644
--- a/drivers/spi/spi-microchip-core.c
+++ b/drivers/spi/spi-microchip-core.c
@@ -580,7 +580,7 @@ static int mchp_corespi_probe(struct platform_device *pdev)
 
 error_release_hardware:
 	mchp_corespi_disable(spi);
-	clk_prepare_enable(spi->clk);
+	clk_disable_unprepare(spi->clk);
 error_release_master:
 	spi_master_put(master);
 
-- 
2.34.1