On 04/03/2014 06:13 PM, Li.Xiubo@xxxxxxxxxxxxx wrote:
+ base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ imx2_wdt.regmap = devm_regmap_init_mmio_clk(&pdev->dev, NULL, base,
+ &imx2_wdt_regmap_config);
This patch causes the following buiild failure:
Building arm:imx_v4_v5_defconfig ... failed
--------------
Error log:
drivers/built-in.o: In function `imx2_wdt_probe':
clk-composite.c:(.init.text+0x82c4): undefined reference to
`devm_regmap_init_mmio_clk'
make: *** [vmlinux] Error 1
--------------
This is on top of
b33ce44 Merge branch 'for-3.15/drivers' of git://git.kernel.dk/linux-block
Does it have build dependencies on code which is (or was) not yet available
in mainline ?
This is caused by not compiling the regmap core.
Could you add the following patch to have a try ?
==========================
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 79d2589..3e55fa9 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -369,6 +369,7 @@ config MAX63XX_WATCHDOG
config IMX2_WDT
tristate "IMX2+ Watchdog"
depends on ARCH_MXC
+ select REGMAP_MMIO
help
This is the driver for the hardware watchdog
on the Freescale IMX2 and later processors.
--------------------------
If it's okey, I'll sent the v5 series to fix this.
Yes, that fixes the problem.
Guenter
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