On Monday 10 April 2017 03:22 PM, Tobias Regnery wrote:
> With CONFIG_NVMEM=m and CONFIG_PHY_QCOM_QUSB2=y we get a link error from
> calls to devm_nvmem_cell_get and nvmem_cell_read:
>
> drivers/built-in.o: In function `qusb2_phy_probe':
> binder.c:(.text+0x4750): undefined reference to `devm_nvmem_cell_get'
> drivers/built-in.o: In function `qusb2_phy_init':
> binder.c:(.text+0x489c): undefined reference to `nvmem_cell_read'
>
> Fix this by adding a Kconfig dependency to ensure we can only have this
> driver built in when the nvmem functions are also built in or we see the
> empty stub functions. We can still build this driver as a module when the
> nvmem core is build as module, too.
>
> Fixes: deffad633413 ("phy: qcom-qusb2: New driver for QUSB2 PHY on Qcom
> chips")
> Signed-off-by: Tobias Regnery <[email protected]>
merged, thanks!
-Kishon
> ---
> drivers/phy/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
> index c120071fd2c8..30a2a612ff20 100644
> --- a/drivers/phy/Kconfig
> +++ b/drivers/phy/Kconfig
> @@ -450,6 +450,7 @@ config PHY_QCOM_QMP
> config PHY_QCOM_QUSB2
> tristate "Qualcomm QUSB2 PHY Driver"
> depends on OF && (ARCH_QCOM || COMPILE_TEST)
> + depends on NVMEM || !NVMEM
> select GENERIC_PHY
> help
> Enable this to support the HighSpeed QUSB2 PHY transceiver for USB
>
