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Merge "dmaengine: gpi: Add support to dump GPI registers by clients"

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This commit is contained in:
qctecmdr 2021-09-03 04:59:00 -07:00 • committed by Gerrit - the friendly Code Review server
commit 6860a12e0a
2 changed files with 14 additions and 1 deletions
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9
drivers/dma/qcom/gpi.c
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@ -852,6 +852,15 @@ static void gpi_dump_debug_reg(struct gpii *gpii)
GPII_ERR(gpii, GPI_DBG_COMMON, "Global IRQ handling Exit\n");
}
void gpi_dump_for_geni(struct dma_chan *chan)
{
struct gpii_chan *gpii_chan = to_gpii_chan(chan);
struct gpii *gpii = gpii_chan->gpii;
gpi_dump_debug_reg(gpii);
}
EXPORT_SYMBOL(gpi_dump_for_geni);
static void gpi_disable_interrupts(struct gpii *gpii)
{
struct {

6
include/linux/msm_gpi.h
View file

@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
* Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
*/
#ifndef __MSM_GPI_H_
@ -263,4 +263,8 @@ struct msm_gpi_dma_async_tx_cb_param {
void *userdata;
};
/* Client drivers of the GPI can call this function to dump the GPI registers
* whenever client met some scenario like timeout, error in GPI transfer mode.
*/
void gpi_dump_for_geni(struct dma_chan *chan);
#endif