ide-tape: remove stale comments from idetape_pc_intr() (531e9e50) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/ide/ide-tape.c

+0 −21

Original line number	Diff line number	Diff line
		@@ -758,27 +758,6 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive)

		if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) {
		if (hwif->dma_ops->dma_end(drive) \|\| (stat & ERR_STAT)) {
		/*
		* A DMA error is sometimes expected. For example,
		* if the tape is crossing a filemark during a
		* READ command, it will issue an irq and position
		* itself before the filemark, so that only a partial
		* data transfer will occur (which causes the DMA
		* error). In that case, we will later ask the tape
		* how much bytes of the original request were
		* actually transferred (we can't receive that
		* information from the DMA engine on most chipsets).
		*/

		/*
		* On the contrary, a DMA error is never expected;
		* it usually indicates a hardware error or abort.
		* If the tape crosses a filemark during a READ
		* command, it will issue an irq and position itself
		* after the filemark (not before). Only a partial
		* data transfer will occur, but no DMA error.
		* (AS, 19 Apr 2001)
		*/
		pc->flags \|= PC_FLAG_DMA_ERROR;
		} else {
		pc->xferred = pc->req_xfer;