From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kamal Dasu Subject: [PATCH v1 0/2] spi: bcm-qspi: Fix spi-nor chip select logic for BSPI Date: Wed, 25 Apr 2018 14:28:03 -0400 Message-ID: <1524680885-4600-1-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 spi-nor master controller driver needs to verify the chip select bit in the cs register for any cs change during trasfers. Also CDRAM PCS field not used in BSPI mode, set defualt to ~1 indicating active low for zeroth bit. Also always enable/disable BSPI_MAST_N_BOOT_CTRL when using BSPI mode. *** BLURB HERE *** Kamal Dasu (2): spi: bcm-qspi: Avoid setting MSPI_CDRAM_PCS for spi-nor master spi: bcm-qspi: Always change BSPI_MAST_N_BOOT_CTRL state drivers/spi/spi-bcm-qspi.c | 28 ++++++++++++++++++---------- 1 file changed, 18 insertions(+), 10 deletions(-) -- 2.7.4