Re: [PATCH V3 2/2] mtd: rawnand: qcom: set BAM mode only if not set already

Hi Sivaprakash, Sivaprakash Murugesan wrote on Fri, 12 Jun 2020 12:19:49 +0530: > BAM is DMA controller on QCOM ipq platforms, BAM mode on NAND driver > is set by writing BAM_MODE_EN bit on NAND_CTRL register. > > NAND_CTRL is an operational register and in BAM mode operational > registers are

[PATCH V3 2/2] mtd: rawnand: qcom: set BAM mode only if not set already

BAM is DMA controller on QCOM ipq platforms, BAM mode on NAND driver is set by writing BAM_MODE_EN bit on NAND_CTRL register. NAND_CTRL is an operational register and in BAM mode operational registers are read only. So, before writing into NAND_CTRL register check if BAM mode is already enabled b