Messages in this thread | | | Subject | Re: [PATCH v3 0/3] i2c: designware: improve performance for transfers | From | Christian Ruppert <> | Date | Fri, 12 Aug 2016 16:59:32 +0200 |
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On 29.07.2016 00:03, Lucas De Marchi wrote: > This can be considered a v3 of "i2c: designware: do not disable adapter after > transfer". Differences are: > > - Now there's a first patch that does not depend on IC_TAR being dynamically > enabled/disabled: it just doesn't wait for the state change when not needed. > > - We added a patch that allows detecting if HW supports the dynamic TAR updates > > - In the last patch the bits were changed as suggested by Jarkko. > > - This is tested on BayTrail and CherryTrail, both of them returning true for > "dynamically update TAR"
Tested-by: Christian Ruppert <christian.ruppert@alitech.com> on TB101 with Linux-4.7
Seems to work perfectly now, congratulations and thanks for your patience with our platform... This was a hard one!
> José Roberto de Souza (1): > i2c: designware: wait for disable/enable only if necessary > > Lucas De Marchi (2): > i2c: designware: detect when dynamic tar update is possible > i2c: designware: do not disable adapter after transfer > > drivers/i2c/busses/i2c-designware-core.c | 103 +++++++++++++++++++++---------- > drivers/i2c/busses/i2c-designware-core.h | 1 + > 2 files changed, 72 insertions(+), 32 deletions(-) >
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