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Sparse (rightly) currently gives the following warning:
drivers/leds/simple/simatic-ipc-leds.c:155:40:
sparse: sparse: incorrect type in assignment (different address spaces)
expected void *static [toplevel] simatic_ipc_led_memory
got void [noderef] __iomem *
Fix this by changing the type of simatic_ipc_led_memory to void __iomem *
and use readl()/writel() to access it.
Cc: Henning Schild <henning.schild@siemens.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Gerd Haeussler <gerd.haeussler.ext@siemens.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
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simatic_ipc_led_mem_res is not used outside of the driver, make it static.
Cc: Henning Schild <henning.schild@siemens.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
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This driver adds initial support for several devices from Siemens. It is
based on a platform driver introduced in an earlier commit.
One of the supported machines has GPIO connected LEDs, here we poke GPIO
memory directly because pinctrl does not come up.
Signed-off-by: Henning Schild <henning.schild@siemens.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Link: https://lore.kernel.org/r/20211213120502.20661-3-henning.schild@siemens.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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