Messages in this thread | | | Subject | Re: [PATCH 03/10] spi: Add flag for no TX after a RX in the same Chip Select | From | Lucas tanure <> | Date | Thu, 9 Sep 2021 11:51:21 +0100 |
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On 9/8/21 1:37 PM, Mark Brown wrote: > On Wed, Sep 08, 2021 at 12:34:44PM +0100, Lucas Tanure wrote: >> Some controllers can't write to the bus after a read without >> releasing the chip select, so add flag and a check in spi core > > Nothing you've added ever reads this flag and I'm not sure what anything > would be able to constructively do with it so why add the flag? I don't > understand what the use case is. > __spi_validate checks this flag and makes sure the message can be received by the controller. __spi_validate can't fix the message, so it only rejects the message.
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