From: Souptick Joarder <jrdr.linux@gmail.com>
To: FlorianSchandinat@gmx.de, b.zolnierkie@samsung.com
Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org,
linux-kernel@vger.kernel.org,
Souptick Joarder <jrdr.linux@gmail.com>
Subject: [PATCH] video: fbdev:via: Remove dead code
Date: Wed, 31 Jul 2019 01:03:20 +0530 [thread overview]
Message-ID: <1564515200-5020-1-git-send-email-jrdr.linux@gmail.com> (raw)
This is dead code since 3.15. If there is no plan to use
it further, this can be removed forever.
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
---
drivers/video/fbdev/via/via-core.c | 43 --------------------------------------
1 file changed, 43 deletions(-)
diff --git a/drivers/video/fbdev/via/via-core.c b/drivers/video/fbdev/via/via-core.c
index e2b2062..ffa2ca2 100644
--- a/drivers/video/fbdev/via/via-core.c
+++ b/drivers/video/fbdev/via/via-core.c
@@ -221,49 +221,6 @@ void viafb_release_dma(void)
}
EXPORT_SYMBOL_GPL(viafb_release_dma);
-
-#if 0
-/*
- * Copy a single buffer from FB memory, synchronously. This code works
- * but is not currently used.
- */
-void viafb_dma_copy_out(unsigned int offset, dma_addr_t paddr, int len)
-{
- unsigned long flags;
- int csr;
-
- mutex_lock(&viafb_dma_lock);
- init_completion(&viafb_dma_completion);
- /*
- * Program the controller.
- */
- spin_lock_irqsave(&global_dev.reg_lock, flags);
- viafb_mmio_write(VDMA_CSR0, VDMA_C_ENABLE|VDMA_C_DONE);
- /* Enable ints; must happen after CSR0 write! */
- viafb_mmio_write(VDMA_MR0, VDMA_MR_TDIE);
- viafb_mmio_write(VDMA_MARL0, (int) (paddr & 0xfffffff0));
- viafb_mmio_write(VDMA_MARH0, (int) ((paddr >> 28) & 0xfff));
- /* Data sheet suggests DAR0 should be <<4, but it lies */
- viafb_mmio_write(VDMA_DAR0, offset);
- viafb_mmio_write(VDMA_DQWCR0, len >> 4);
- viafb_mmio_write(VDMA_TMR0, 0);
- viafb_mmio_write(VDMA_DPRL0, 0);
- viafb_mmio_write(VDMA_DPRH0, 0);
- viafb_mmio_write(VDMA_PMR0, 0);
- csr = viafb_mmio_read(VDMA_CSR0);
- viafb_mmio_write(VDMA_CSR0, VDMA_C_ENABLE|VDMA_C_START);
- spin_unlock_irqrestore(&global_dev.reg_lock, flags);
- /*
- * Now we just wait until the interrupt handler says
- * we're done.
- */
- wait_for_completion_interruptible(&viafb_dma_completion);
- viafb_mmio_write(VDMA_MR0, 0); /* Reset int enable */
- mutex_unlock(&viafb_dma_lock);
-}
-EXPORT_SYMBOL_GPL(viafb_dma_copy_out);
-#endif
-
/*
* Do a scatter/gather DMA copy from FB memory. You must have done
* a successful call to viafb_request_dma() first.
--
1.9.1
next reply other threads:[~2019-07-30 19:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-30 19:33 Souptick Joarder [this message]
2019-08-07 8:41 ` [PATCH] video: fbdev:via: Remove dead code Souptick Joarder
2019-08-12 12:07 ` Souptick Joarder
2019-08-18 16:59 ` Souptick Joarder
2019-08-19 14:05 ` Bartlomiej Zolnierkiewicz
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