Messages in this thread | | | Date | Thu, 6 Jul 2023 13:08:38 -0700 | Subject | Re: [PATCH] i2c: bcm-iproc: Fix bcm_iproc_i2c_isr deadlock issue | From | Ray Jui <> |
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Hi Wolfram,
On 7/6/2023 12:36 PM, Wolfram Sang wrote: > On Sat, Jun 24, 2023 at 07:36:02PM +0000, YE Chengfeng wrote: >> iproc_i2c_rd_reg and iproc_i2c_wr_reg are called from both >> interrupt context (e.g. bcm_iproc_i2c_isr) and process context >> (e.g. bcm_iproc_i2c_suspend). Therefore, interrupts should be >> disabled to avoid potential deadlock. To prevent this deadlock, >> use spin_lock_irqsave. >> >> Signed-off-by: Chengfeng Ye <cyeaa@connect.ust.hk> > > I can't apply it, what version is this against? Also, if someone could > supply a proper Fixes-tag, this would be much appreciated. >
I'll let Chengfeng check the version.
For the fixes tag, it is: Fixes: 9a1038728037 ("i2c: iproc: add NIC I2C support")
Thanks,
Ray [unhandled content-type:application/pkcs7-signature] | |