linux-kernel - [PATCH 3/5] spi: rockchip: Don't check for failed get_fifo

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Message-Id: <ce2e7f90e62b15adc2bed1f53122ad39c3a9b5ac.1727337732.git.dsimic@manjaro.org>
Date: Thu, 26 Sep 2024 10:38:14 +0200
From: Dragan Simic <dsimic@...jaro.org>
To: linux-spi@...r.kernel.org,
	linux-rockchip@...ts.infradead.org
Cc: broonie@...nel.org,
	heiko@...ech.de,
	oss@...ene.moe,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 3/5] spi: rockchip: Don't check for failed get_fifo_len()

Since commit 13a96935e6f6 ("spi: rockchip: Support 64-location deep FIFOs"),
function get_fifo_len() can no longer return zero, so delete the redundant
check for zero in function rockchip_spi_probe().

Signed-off-by: Dragan Simic <dsimic@...jaro.org>
---
 drivers/spi/spi-rockchip.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c
index 81f2a966c124..28879fed03f8 100644
--- a/drivers/spi/spi-rockchip.c
+++ b/drivers/spi/spi-rockchip.c
@@ -816,11 +816,6 @@ static int rockchip_spi_probe(struct platform_device *pdev)
 	}
 
 	rs->fifo_len = get_fifo_len(rs);
-	if (!rs->fifo_len) {
-		dev_err(&pdev->dev, "Failed to get fifo length\n");
-		ret = -EINVAL;
-		goto err_put_ctlr;
-	}
 
 	pm_runtime_set_autosuspend_delay(&pdev->dev, ROCKCHIP_AUTOSUSPEND_TIMEOUT);
 	pm_runtime_use_autosuspend(&pdev->dev);