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authorPaolo Bonzini <pbonzini@redhat.com>2018-09-11 15:16:58 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2018-10-02 18:47:55 +0200
commit61a9346f60fe32143c007bb27bac6e1d83e4aee8 (patch)
treeefdb4286f96fae35de658ef7fb8fed50e380bdde /audio
parent35f7f3fb5c65dcdf8315bbfd40a3c1d015663d77 (diff)
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serial: fix DLL writes
Commit 0147883450fe84bb8de2d4a58381881f4262ce9b tries to handle word-sized writes to DLL/DLH, but due to a typo, this patch is causing tracebacks in all Linux kernels running the PXA serial driver, due to an unexpected DLL register value. Here is the surrounding code from drivers/tty/serial/pxa.c: serial_out(up, UART_DLL, quot & 0xff); /* LS of divisor */ /* * work around Errata #75 according to Intel(R) PXA27x * Processor Family Specification Update (Nov 2005) */ dll = serial_in(up, UART_DLL); WARN_ON(dll != (quot & 0xff)); // <-- warning Reported-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Guenter Roeck <linux@roeck-us.net> Fixes: 0147883450fe84bb8de2d4a58381881f4262ce9b Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'audio')
0 files changed, 0 insertions, 0 deletions