Hi On Thu, 27 Jul 2023 11:03:47 +0800, carlos.song@xxxxxxx wrote: > A NACK flag in ISR means i2c bus error. In such condition, > there is no need to do read/write operation. > > In this patch, i2c will check MSR_NDF, MSR_RDF and MSR_TDF > flag in turn, it's making mutually exclusive NACK/read/write. > So when a NACK is received(MSR_NDF), i2c will return ISR > directly and then stop i2c transfer. > > [...] Applied to i2c/andi-for-next on https://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux.git Please note that this patch may still undergo further evaluation and the final decision will be made in collaboration with Wolfram. Thank you, Andi Patches applied =============== [1/1] i2c: imx-lpi2c: directly return ISR when detect a NACK commit: 7525bcc34ec49a39e8b56f5911431a5a2a981896
