diff options
| author |   Hui Wang <jason77.wang@gmail.com> | 2012-06-28 16:21:34 +0800 |
|---|---|---|
| committer |   Marc Kleine-Budde <mkl@pengutronix.de> | 2012-07-02 11:08:37 +0200 |
| commit | afc016d8360ceb19a1f37bf6579d5850d47d582d (patch) | |
| tree | 35f38cdf7e5567cb1c0bbc60d79e3b2ba9ab21b8 /drivers/net | |
| parent | net: flexcan: clock-frequency is optional for device tree probe (diff) | |
| download | linux-dev-afc016d8360ceb19a1f37bf6579d5850d47d582d.tar.xz linux-dev-afc016d8360ceb19a1f37bf6579d5850d47d582d.zip | |
can: flexcan: use of_property_read_u32 to get DT entry value
of_property_read_u32() can auto handle endian problems, use this
function can make code clean and simple.
No need to check return value here since the following got value
check will handle this.
Cc: linux-can@vger.kernel.org
Cc: Marc Kleine-Budde <mkl@pengutronix.de>
Cc: Wolfgang Grandegger <wg@grandegger.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Hui Wang <jason77.wang@gmail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/can/flexcan.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index 0f88cd3bb928..b429b3f3fa7f 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -938,14 +938,9 @@ static int __devinit flexcan_probe(struct platform_device *pdev) if (IS_ERR(pinctrl)) return PTR_ERR(pinctrl); - if (pdev->dev.of_node) { - const __be32 *clock_freq_p; - - clock_freq_p = of_get_property(pdev->dev.of_node, - "clock-frequency", NULL); - if (clock_freq_p) - clock_freq = be32_to_cpup(clock_freq_p); - } + if (pdev->dev.of_node) + of_property_read_u32(pdev->dev.of_node, + "clock-frequency", &clock_freq); if (!clock_freq) { clk = clk_get(&pdev->dev, NULL); |