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/linux/drivers/thermal/intel/int340x_thermal/ |
H A D | Kconfig | diff 994a04a20b03128838ec0250a0e266aab24d23f1 Mon Nov 08 12:13:41 CET 2021 Arnd Bergmann <arnd@arndb.de> thermal: int340x: Limit Kconfig to 64-bit
32-bit processors cannot generally access 64-bit MMIO registers atomically, and it is unknown in which order the two halves of this registers would need to be read:
drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c: In function 'send_mbox_cmd': drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c:79:37: error: implicit declaration of function 'readq'; did you mean 'readl'? [-Werror=implicit-function-declaration] 79 | *cmd_resp = readq((void __iomem *) (proc_priv->mmio_base + MBOX_OFFSET_DATA)); | ^~~~~ | readl
The driver already does not build for anything other than x86, so limit it further to x86-64.
Fixes: aeb58c860dc5 ("thermal/drivers/int340x: processor_thermal: Suppot 64 bit RFIM responses") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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