From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexey.Brodkin@synopsys.com (Alexey Brodkin) Date: Fri, 15 Dec 2017 16:09:19 +0000 Subject: rsi_91x: Failed to read status register on failed authentication In-Reply-To: References: <1512490314.4977.143.camel@synopsys.com> List-ID: Message-ID: <1513354157.29404.72.camel@synopsys.com> To: linux-snps-arc@lists.infradead.org Hi Amitkumar, On Wed, 2017-12-06@12:43 +0530, Amitkumar Karwar wrote: > On Tue, Dec 5, 2017 at 9:41 PM, Alexey Brodkin > wrote: > > Hi Amit, > > > > I'm seeing quite a strange behavior of RedPine module. > > It connects perfectly fine to one of access points but fails > > to connect to another. > > > > Moreover after that failure RSI driver starts to flood me with > > messages saying: > > --------------------->8-------------------- > > rsi_91x: rsi_sdio_check_buffer_status: Failed to read status register > > --------------------->8-------------------- > > > > Below you may find details of my 2 experiments. > > Note I use vanilla Linux kernel v4.14.4 > > > > Any ideas what could be wrong? > > > > Could you enable driver debug zones and share dmesg log for analysis? > > echo 0xffffffff > /sys/kernel/debug/phy0/debug_zone Please find attached log. Let me know if you need more details. -Alexey -------------- next part -------------- A non-text attachment was scrubbed... Name: 2017.12.15-redpine.log Type: text/x-log Size: 96207 bytes Desc: 2017.12.15-redpine.log URL: