From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kamal Dasu Subject: [PATCH v2 0/2] spi: bcm-qspi: Fix spi-nor chip select logic for BSPI Date: Thu, 26 Apr 2018 14:47:59 -0400 Message-ID: <1524768481-16347-1-git-send-email-kdasu.kdev@gmail.com> Cc: f.fainelli@gmail.com, bcm-kernel-feedback-list@broadcom.com, jon.mason@broadcom.com, yendapally.reddy@broadcom.com, Kamal Dasu To: broonie@kernel.org, linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-spi.vger.kernel.org When using the spi-nor master controller always verify the chip select bit in the cs register. Also do not use CDRAM PCS bit in BSPI mode. Additionally make sure to enable/disable BSPI_MAST_N_BOOT_CTRL while using BSPI mode. V2 changes: - Added "Fixes:" tag to 1/2 and 2/2 patches Kamal Dasu (2): spi: bcm-qspi: Avoid setting MSPI_CDRAM_PCS for spi-nor master spi: bcm-qspi: Always read and set BSPI_MAST_N_BOOT_CTRL drivers/spi/spi-bcm-qspi.c | 28 ++++++++++++++++++---------- 1 file changed, 18 insertions(+), 10 deletions(-) -- 2.7.4