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Commit 0532e6fc authored by Viresh Kumar's avatar Viresh Kumar Committed by Vinod Koul
Browse files

dmaengine/amba-pl08x: Remove redundant comment and rewrite original 



Similar comment is present over routine also pl08x_choose_master_bus(). Keeping
one of them. Also rewrite that comment to convey message clearly.

Signed-off-by: default avatarViresh Kumar <viresh.kumar@st.com>
Acked-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 5a612330

drivers/dma/amba-pl08x.c

+7 −8
Original line number Diff line number Diff line
@@ -497,9 +497,13 @@ struct pl08x_lli_build_data { 
};



/*

 * Autoselect a master bus to use for the transfer this prefers the

 * destination bus if both available if fixed address on one bus the

 * other will be chosen

 * Autoselect a master bus to use for the transfer. Slave will be the chosen as

 * victim in case src & dest are not similarly aligned. i.e. If after aligning

 * masters address with width requirements of transfer (by sending few byte by

 * byte data), slave is still not aligned, then its width will be reduced to

 * BYTE.

 * - prefers the destination bus if both available

 * - if fixed address on one bus the other will be chosen

 */

static void pl08x_choose_master_bus(struct pl08x_lli_build_data *bd,

	struct pl08x_bus_data **mbus, struct pl08x_bus_data **sbus, u32 cctl)
@@ -625,11 +629,6 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x, 
	/* We need to count this down to zero */

	bd.remainder = txd->len;



	/*

	 * Choose bus to align to

	 * - prefers destination bus if both available

	 * - if fixed address on one bus chooses other

	 */

	pl08x_choose_master_bus(&bd, &mbus, &sbus, cctl);



	dev_vdbg(&pl08x->adev->dev, "src=0x%08x%s/%u dst=0x%08x%s/%u len=%zu llimax=%zu\n",