Re: [PATCH] memory: tegra: include linux/spinlock.h

From: Dmitry Osipenko
Date: Fri May 25 2018 - 17:18:45 EST


On 26.05.2018 00:11, Arnd Bergmann wrote:
> The newly added code in this file causes a build error unless
> we include linux/spinlock.h, at least in some configurations:
>
> In file included from drivers/memory/tegra/mc.h:15,
> from drivers/memory/tegra/tegra20.c:11:
> include/soc/tegra/mc.h:159:2: error: unknown type name 'spinlock_t'
> spinlock_t lock;
> ^~~~~~~~~~
> drivers/memory/tegra/tegra20.c: In function 'terga20_mc_hotreset_assert':
> drivers/memory/tegra/tegra20.c:207:2: error: implicit declaration of function 'spin_lock_irqsave'; did you mean 'arch_local_irq_save'? [-Werror=implicit-function-declaration]
> spin_lock_irqsave(&mc->lock, flags);
> ^~~~~~~~~~~~~~~~~
>
> Fixes: cb557757e1aa ("memory: tegra: Add Tegra20 memory controller hot resets")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> drivers/memory/tegra/tegra20.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/memory/tegra/tegra20.c b/drivers/memory/tegra/tegra20.c
> index 7119e532471c..8853e21b773f 100644
> --- a/drivers/memory/tegra/tegra20.c
> +++ b/drivers/memory/tegra/tegra20.c
> @@ -6,6 +6,7 @@
> * published by the Free Software Foundation.
> */
>
> +#include <linux/spinlock.h>
> #include <dt-bindings/memory/tegra20-mc.h>
>
> #include "mc.h"

Yes, the spinlock header was getting included indirectly.

Reviewed-by: Dmitry Osipenko <digetx@xxxxxxxxx>