Commit 91617bf6 authored by Tudor Ambarus's avatar Tudor Ambarus Committed by Vinod Koul
Browse files

dmaengine: at_hdmac: s/atc_get_bytes_left/atc_get_residue 



Use dmaengine terminology and rename the method to better indicate what it
does: it gets the residue value which will be later on set with
dma_set_residue().

Signed-off-by: default avatarTudor Ambarus <tudor.ambarus@microchip.com>
Acked-by: default avatarNicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20221025090306.297886-1-tudor.ambarus@microchip.com
Link: https://lore.kernel.org/r/20221025090306.297886-21-tudor.ambarus@microchip.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent f5d79afa

drivers/dma/at_hdmac.c

+4 −7
Original line number Diff line number Diff line
@@ -308,14 +308,14 @@ static inline u32 atc_calc_bytes_left(u32 current_len, u32 ctrla) 
}



/**

 * atc_get_bytes_left - get the number of bytes residue for a cookie.

 * atc_get_residue - get the number of bytes residue for a cookie.

 * The residue is passed by address and updated on success.

 * @chan: DMA channel

 * @cookie: transaction identifier to check status of

 * @residue: residue to be updated.

 * Return 0 on success, -errono otherwise.

 */

static int atc_get_bytes_left(struct dma_chan *chan, dma_cookie_t cookie,

static int atc_get_residue(struct dma_chan *chan, dma_cookie_t cookie,

			   u32 *residue)

{

	struct at_dma_chan      *atchan = to_at_dma_chan(chan);
@@ -1471,10 +1471,7 @@ atc_tx_status(struct dma_chan *chan, 
		return dma_status;



	spin_lock_irqsave(&atchan->lock, flags);



	/*  Get number of bytes left in the active transactions */

	ret = atc_get_bytes_left(chan, cookie, &residue);



	ret = atc_get_residue(chan, cookie, &residue);

	spin_unlock_irqrestore(&atchan->lock, flags);



	if (unlikely(ret < 0)) {