linux-kernel - [PATCH V4 4/6] i2c: tegra: add spinlock definition comment

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Message-ID: <1560186515-30797-4-git-send-email-bbiswas@nvidia.com>
Date:   Mon, 10 Jun 2019 10:08:33 -0700
From:   Bitan Biswas <bbiswas@...dia.com>
To:     Laxman Dewangan <ldewangan@...dia.com>,
        Thierry Reding <treding@...dia.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        <linux-i2c@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Peter Rosin <peda@...ntia.se>,
        Wolfram Sang <wsa@...-dreams.de>,
        Dmitry Osipenko <digetx@...il.com>
CC:     Shardar Mohammed <smohammed@...dia.com>,
        Sowjanya Komatineni <skomatineni@...dia.com>,
        Mantravadi Karthik <mkarthik@...dia.com>,
        Bitan Biswas <bbiswas@...dia.com>
Subject: [PATCH V4 4/6] i2c: tegra: add spinlock definition comment

Fix checkpatch.pl CHECK as follows:
CHECK: spinlock_t definition without comment
+       spinlock_t xfer_lock;

Signed-off-by: Bitan Biswas <bbiswas@...dia.com>
Reviewed-by: Dmitry Osipenko <digetx@...il.com>
---
 drivers/i2c/busses/i2c-tegra.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index 2d381de..bececa6 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -269,6 +269,7 @@ struct tegra_i2c_dev {
 	u32 bus_clk_rate;
 	u16 clk_divisor_non_hs_mode;
 	bool is_multimaster_mode;
+	/* xfer_lock: lock to serialize transfer submission and processing */
 	spinlock_t xfer_lock;
 	struct dma_chan *tx_dma_chan;
 	struct dma_chan *rx_dma_chan;
-- 
2.7.4