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Commit bec7c9d8 authored by Amandeep Singh's avatar Amandeep Singh
Browse files

msm: qcn: Update read/write APIs 



Update read/write API in QCN sdio core driver to issue CMD53
instead of CMD52 for data equal or greater than 4 bytes.

Change-Id: I5641f32fa8896d3fafb087b440ff69ad936a83ee
Signed-off-by: default avatarAmandeep Singh <amansing@codeaurora.org>
parent e4f6d171

drivers/platform/msm/qcn/qcn_sdio.c

+28 −14
Original line number Diff line number Diff line
@@ -202,11 +202,16 @@ static int qcn_send_meta_info(u8 event, u32 data) 
	value =	META_INFO(event, data);



	sdio_claim_host(sdio_ctxt->func);

	if (sdio_ctxt->curr_sw_mode < QCN_SDIO_SW_SBL) {

		for (i = 0; i < 4; i++) {

			temp = (u8)((value >> (i * 8)) & 0x000000FF);

		sdio_writeb(sdio_ctxt->func, temp, (SDIO_QCN_HRQ_PUSH + i),

									&ret);

			sdio_writeb(sdio_ctxt->func, temp,

						(SDIO_QCN_HRQ_PUSH + i), &ret);

		}

	} else {

		sdio_writel(sdio_ctxt->func, value, SDIO_QCN_HRQ_PUSH, &ret);

	}



	sdio_release_host(sdio_ctxt->func);



	return ret;
@@ -224,12 +229,17 @@ static int qcn_read_crq_info(void) 
	struct sdio_al_channel_handle *ch_handle = NULL;



	sdio_claim_host(sdio_ctxt->func);

	if (sdio_ctxt->curr_sw_mode < QCN_SDIO_SW_SBL) {

		for (i = 0; i < 4; i++) {

		temp = sdio_readb(sdio_ctxt->func, (SDIO_QCN_CRQ_PULL + i),

				  &ret);

			temp = sdio_readb(sdio_ctxt->func,

						(SDIO_QCN_CRQ_PULL + i), &ret);

			temp = temp << (i * 8);

			data |= temp;

		}

	} else {

		data = sdio_readl(sdio_ctxt->func, SDIO_QCN_CRQ_PULL, &ret);

	}



	sdio_release_host(sdio_ctxt->func);

	if (ret)

		return ret;
@@ -434,12 +444,16 @@ static int qcn_read_meta_info(void) 


	sdio_claim_host(sdio_ctxt->func);



	if (sdio_ctxt->curr_sw_mode < QCN_SDIO_SW_SBL) {

		for (i = 0; i < 4; i++) {

		temp = sdio_readb(sdio_ctxt->func, (SDIO_QCN_LOCAL_INFO + i),

									&ret);

			temp = sdio_readb(sdio_ctxt->func,

					(SDIO_QCN_LOCAL_INFO + i), &ret);

			temp = temp << (i * 8);

			data |= temp;

		}

	} else {

		data = sdio_readl(sdio_ctxt->func, SDIO_QCN_LOCAL_INFO,	&ret);

	}



	sdio_writeb(sdio_ctxt->func, (u8)SDIO_QCN_IRQ_CLR_LOCAL_MASK,

		    SDIO_QCN_IRQ_CLR, NULL);