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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-09 03:02:35 -0400 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-09 03:02:35 -0400 |
commit | 1236d6bb6e19fc72ffc6bbcdeb1bfefe450e54ee (patch) | |
tree | 47da3feee8e263e8c9352c85cf518e624be3c211 /arch/parisc/kernel/firmware.c | |
parent | 750b1a6894ecc9b178c6e3d0a1170122971b2036 (diff) | |
parent | 8a5776a5f49812d29fe4b2d0a2d71675c3facf3f (diff) |
Merge 4.14-rc4 into staging-next
We want the staging/iio fixes in here as well to handle merge issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/parisc/kernel/firmware.c')
-rw-r--r-- | arch/parisc/kernel/firmware.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c index ab80e5c6f651..6d471c00c71a 100644 --- a/arch/parisc/kernel/firmware.c +++ b/arch/parisc/kernel/firmware.c | |||
@@ -233,6 +233,26 @@ int pdc_add_valid(unsigned long address) | |||
233 | EXPORT_SYMBOL(pdc_add_valid); | 233 | EXPORT_SYMBOL(pdc_add_valid); |
234 | 234 | ||
235 | /** | 235 | /** |
236 | * pdc_instr - Get instruction that invokes PDCE_CHECK in HPMC handler. | ||
237 | * @instr: Pointer to variable which will get instruction opcode. | ||
238 | * | ||
239 | * The return value is PDC_OK (0) in case call succeeded. | ||
240 | */ | ||
241 | int __init pdc_instr(unsigned int *instr) | ||
242 | { | ||
243 | int retval; | ||
244 | unsigned long flags; | ||
245 | |||
246 | spin_lock_irqsave(&pdc_lock, flags); | ||
247 | retval = mem_pdc_call(PDC_INSTR, 0UL, __pa(pdc_result)); | ||
248 | convert_to_wide(pdc_result); | ||
249 | *instr = pdc_result[0]; | ||
250 | spin_unlock_irqrestore(&pdc_lock, flags); | ||
251 | |||
252 | return retval; | ||
253 | } | ||
254 | |||
255 | /** | ||
236 | * pdc_chassis_info - Return chassis information. | 256 | * pdc_chassis_info - Return chassis information. |
237 | * @result: The return buffer. | 257 | * @result: The return buffer. |
238 | * @chassis_info: The memory buffer address. | 258 | * @chassis_info: The memory buffer address. |