On Mon, 2018-06-11 at 17:22 +0300, Jarkko Nikula wrote: > Motivation here is to improve debug prints and while doing so to > remove > some duplication and separate timing parameter validation from actual > register writes as this parameter validation and/or calculation is > needed to do only during probe. > > Currently debug code prints SCL timing parameters whenever HW is > reinitialized but doesn't print importand SDA hold time nor actual bus > speed the controller is going to operate. > > v3: > - Fail always if i2c_dw_acquire_lock() returns an error. > - Keep include statement order > - Remove redundant "ret = 0; " assignment from i2c_dw_set_sda_hold() Still there... > > v2: > - SDA hold time configuration moved from "Separate timing parameter > setting from HW initalization" patch to a new patch as well as > i2c_dw_clk_rate() cleanup. > - New patch replacing ___constant_swab32() with swab32(). > - Added Andys review by tags to patches 1-2. > > Jarkko Nikula (8): > i2c: designware: Remove needless variable from i2c_dw_init_slave() > i2c: designware: Move register access detection to common code > i2c: designware: Don't use internal ___constant_swab32 > i2c: designware: Call i2c_dw_clk_rate() only once in > i2c_dw_init_master() > i2c: designware: Move SDA hold time configuration to common code > i2c: designware: Separate timing parameter setting from HW > initalization > i2c: designware: Add debug print for SDA hold time value > i2c: designware: Add debug print for bus speed > > drivers/i2c/busses/i2c-designware-common.c | 75 ++++++++ > drivers/i2c/busses/i2c-designware-core.h | 2 + > drivers/i2c/busses/i2c-designware-master.c | 190 ++++++++++++------ > --- > drivers/i2c/busses/i2c-designware-slave.c | 46 +---- > 4 files changed, 195 insertions(+), 118 deletions(-) > -- Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> Intel Finland Oy
