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Commit 3bd7261e authored by Sarthak Garg's avatar Sarthak Garg
Browse files

mtd: msm_qpic_nand: Enable Pagescope read feature and reset status_desc 



Enable Pagescope read feature and reset status_desc variable upon every
page read. This makes status_desc variable points to correct memory for
status register values for every page count.

Change-Id: Ic9b5f81de11ca5a249302570bf4b7f38d96b4e38
Signed-off-by: default avatarSarthak Garg <sartgarg@codeaurora.org>
parent 336a29e7

drivers/mtd/devices/msm_qpic_nand.c

+3 −2
Original line number Diff line number Diff line
@@ -2018,14 +2018,14 @@ static int msm_nand_read_pagescope(struct mtd_info *mtd, loff_t from, 
	}



	cmd_list = (struct msm_nand_rw_cmd_desc *)&dma_buffer->cmd_list;

	status_desc =

		(struct msm_nand_read_status_desc *)&dma_buffer->result[0];

	ecc_capability = flash_dev->ecc_capability;



	while (rw_params.page_count-- > 0) {



		uint32_t cw_desc_cnt = 1;

		struct sps_command_element *curr_ce, *start_ce;

		status_desc =

			(struct msm_nand_read_status_desc *)&dma_buffer->result[0];

		erased_page = false;

		data.addr0 = (rw_params.page << 16) | rw_params.oob_col;

		data.addr1 = (rw_params.page >> 16) & 0xff;
@@ -4517,6 +4517,7 @@ static int msm_nand_probe(struct platform_device *pdev) 
	info->nand_chip.qpic_min_version = qpic_version.qpic_minor;

	if (info->nand_chip.qpic_version >= 2 &&

			info->nand_chip.qpic_min_version >= 1) {

		info->nand_chip.caps = MSM_NAND_CAP_PAGE_SCOPE_READ;

		mutex_lock(&info->lock);

		err = msm_nand_get_device(info->nand_chip.dev);

		if (err) {