linux/drivers/i2c
David Engraf e8f39e9fc0 i2c: at91: Read all available bytes at once
With FIFO enabled it is possible to read multiple bytes
at once in the interrupt handler as long as RXRDY is
set. This may also reduce the number of interrupts.

This patch polls RXRDY and reads all available bytes at
once.

Signed-off-by: David Engraf <david.engraf@sysgo.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
[wsa: reformatted comment]
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2018-04-30 10:39:28 +02:00
..
algos i2c: algo-bit: init the bus to a known state 2017-12-31 00:16:37 +01:00
busses i2c: at91: Read all available bytes at once 2018-04-30 10:39:28 +02:00
muxes i2c: mux: pca954x: verify the device id of the pca984x chips 2018-03-06 10:57:59 +01:00
i2c-boardinfo.c i2c: i2c-boardinfo: fix memory leaks on devinfo 2017-11-27 19:14:29 +01:00
i2c-core-acpi.c i2c: core: Allow empty id_table in ACPI case as well 2017-07-31 15:50:33 +02:00
i2c-core-base.c i2c: add param sanity check to i2c_transfer() 2018-04-11 23:33:46 +02:00
i2c-core-of.c i2c: of: simplify reading the "reg" property 2018-02-26 20:40:46 +01:00
i2c-core-slave.c i2c: break out slave support into separate file 2017-05-31 21:01:03 +02:00
i2c-core-smbus.c i2c: reformat comments around i2c_smbus_xfer_emulated() 2018-02-27 13:54:05 +01:00
i2c-core.h i2c: make i2c_check_addr_validity() static 2018-03-24 14:07:23 +01:00
i2c-dev.c i2c: dev: prevent ZERO_SIZE_PTR deref in i2cdev_ioctl_rdwr() 2018-04-27 14:04:10 +02:00
i2c-mux.c i2c: mux: only print failure message on error 2017-05-15 18:49:11 +02:00
i2c-slave-eeprom.c i2c: Drop owner assignment from i2c_driver 2015-08-10 08:37:35 +02:00
i2c-smbus.c i2c: i2c-smbus: add of_i2c_setup_smbus_alert 2017-10-28 23:42:47 +02:00
i2c-stub.c i2c: stub: fix build warning regression 2017-06-15 23:22:11 +02:00
Kconfig Merge branch 'i2c/for-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2016-12-15 12:56:35 -08:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00