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can: rcar_canfd: add __maybe_unused annotation to silence warning

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| dd3bd23eb4 ("can: rcar_canfd: Add Renesas R-Car CAN FD driver")

the rcar_canfd driver can be compile tested on all architectures. On
non OF enabled archs, or archs where OF is optional (and disabled in
the .config) the compilation throws the following warning:

| drivers/net/can/rcar/rcar_canfd.c:2020:34: warning: unused variable 'rcar_canfd_of_table' [-Wunused-const-variable]
| static const struct of_device_id rcar_canfd_of_table[] = {
|                                  ^

This patch fixes the warning by marking the variable
rcar_canfd_of_table as __maybe_unused.

Fixes: ac42240873 ("can: rcar: Kconfig: Add helper dependency on COMPILE_TEST")
Fixes: dd3bd23eb4 ("can: rcar_canfd: Add Renesas R-Car CAN FD driver")
Link: https://lore.kernel.org/all/20210907064537.1054268-1-mkl@pengutronix.de
Cc: linux-renesas-soc@vger.kernel.org
Cc: Cai Huoqing <caihuoqing@baidu.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Marc Kleine-Budde 2021-09-04 14:35:26 +02:00
parent b539c44df0
commit 54d7a47a00
1 changed files with 1 additions and 1 deletions
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2
drivers/net/can/rcar/rcar_canfd.c
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@ -2017,7 +2017,7 @@ static int __maybe_unused rcar_canfd_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(rcar_canfd_pm_ops, rcar_canfd_suspend,
rcar_canfd_resume);
static const struct of_device_id rcar_canfd_of_table[] = {
static const __maybe_unused struct of_device_id rcar_canfd_of_table[] = {
{ .compatible = "renesas,rcar-gen3-canfd", .data = (void *)RENESAS_RCAR_GEN3 },
{ .compatible = "renesas,rzg2l-canfd", .data = (void *)RENESAS_RZG2L },
{ }