diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-25 13:18:00 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-25 13:18:00 -0800 |
commit | bb1b64908f5a346b0654f02999e1a022a7e0c07d (patch) | |
tree | 0531fff6b1277750bc18c0a54d92be719f213b1c /include | |
parent | 4ba9920e5e9c0e16b5ed24292d45322907bb9035 (diff) | |
parent | 86776fc174973e556be7d668763f509a81124f8b (diff) |
Merge tag 'regmap-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"Nothing terribly exciting with regmap this release, mainly a few small
extensions to allow more devices to be supported:
- Allow the bulk I/O APIs to be used with no-bus regmaps
- Support interrupt controllers with zero ack base
- Warning and spelling fixes"
* tag 'regmap-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: fix a couple of typos
regmap: Allow regmap_bulk_write() to work for "no-bus" regmaps
regmap: Allow regmap_bulk_read() to work for "no-bus" regmaps
regmap: irq: Allow using zero value for ack_base
regmap: Fix 'ret' would return an uninitialized value
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/regmap.h | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/include/linux/regmap.h b/include/linux/regmap.h index e55907804d39..4149f1a9b003 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -122,9 +122,9 @@ typedef void (*regmap_unlock)(void *); * volatile_table (see below) is not, the check is performed on * such table (a register is volatile if it belongs to one of * the ranges specified by volatile_table). - * @precious_reg: Optional callback returning true if the rgister + * @precious_reg: Optional callback returning true if the register * should not be read outside of a call from the driver - * (eg, a clear on read interrupt status register). If this + * (e.g., a clear on read interrupt status register). If this * field is NULL but precious_table (see below) is not, the * check is performed on such table (a register is precious if * it belongs to one of the ranges specified by precious_table). @@ -136,9 +136,9 @@ typedef void (*regmap_unlock)(void *); * are not overridden). * @reg_read: Optional callback that if filled will be used to perform * all the reads from the registers. Should only be provided for - * devices whos read operation cannot be represented as a simple read - * operation on a bus such as SPI, I2C, etc. Most of the devices do - * not need this. + * devices whose read operation cannot be represented as a simple + * read operation on a bus such as SPI, I2C, etc. Most of the + * devices do not need this. * @reg_write: Same as above for writing. * @fast_io: Register IO is fast. Use a spinlock instead of a mutex * to perform locking. This field is ignored if custom lock/unlock @@ -497,11 +497,13 @@ struct regmap_irq { * * @status_base: Base status register address. * @mask_base: Base mask register address. - * @ack_base: Base ack address. If zero then the chip is clear on read. + * @ack_base: Base ack address. If zero then the chip is clear on read. + * Using zero value is possible with @use_ack bit. * @wake_base: Base address for wake enables. If zero unsupported. * @irq_reg_stride: Stride to use for chips where registers are not contiguous. * @init_ack_masked: Ack all masked interrupts once during initalization. * @mask_invert: Inverted mask register: cleared bits are masked out. + * @use_ack: Use @ack register even if it is zero. * @wake_invert: Inverted wake register: cleared bits are wake enabled. * @runtime_pm: Hold a runtime PM lock on the device when accessing it. * @@ -520,6 +522,7 @@ struct regmap_irq_chip { unsigned int irq_reg_stride; bool init_ack_masked:1; bool mask_invert:1; + bool use_ack:1; bool wake_invert:1; bool runtime_pm:1; |