From patchwork Thu Mar 31 03:51:08 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Keng-Yu Lin X-Patchwork-Id: 89007 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from chlorine.canonical.com (chlorine.canonical.com [91.189.94.204]) by ozlabs.org (Postfix) with ESMTP id 46125B6F11 for ; Thu, 31 Mar 2011 14:52:30 +1100 (EST) Received: from localhost ([127.0.0.1] helo=chlorine.canonical.com) by chlorine.canonical.com with esmtp (Exim 4.71) (envelope-from ) id 1Q58vq-0002e1-1g; Thu, 31 Mar 2011 03:52:26 +0000 Received: from adelie.canonical.com ([91.189.90.139]) by chlorine.canonical.com with esmtp (Exim 4.71) (envelope-from ) id 1Q58ve-0002d8-2S for kernel-team@lists.ubuntu.com; Thu, 31 Mar 2011 03:52:14 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by adelie.canonical.com with esmtp (Exim 4.71 #1 (Debian)) id 1Q58ve-0005ya-0F for ; Thu, 31 Mar 2011 03:52:14 +0000 Received: from 114-45-59-58.dynamic.hinet.net ([114.45.59.58] helo=canonical.com) by youngberry.canonical.com with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1Q58vc-00052E-Vk for kernel-team@lists.ubuntu.com; Thu, 31 Mar 2011 03:52:13 +0000 From: Keng-Yu Lin To: kernel-team@lists.ubuntu.com Subject: [PATCH 06/11] UBUNTU: SAUCE: (drop after 2.6.39) staging: rts_pstor: delete a function Date: Thu, 31 Mar 2011 11:51:08 +0800 Message-Id: <1301543473-11146-7-git-send-email-keng-yu.lin@canonical.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1301543473-11146-1-git-send-email-keng-yu.lin@canonical.com> References: <1301543473-11146-1-git-send-email-keng-yu.lin@canonical.com> X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.13 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: kernel-team-bounces@lists.ubuntu.com Errors-To: kernel-team-bounces@lists.ubuntu.com From: wwang Delete a function named rtsx_transfer_sglist which won't be called. Signed-off-by: wwang Signed-off-by: Greg Kroah-Hartman BugLink: http://bugs.launchpad.net/bugs/698006 (cherry picked from commit 7eb90a3682fc42c5607cff931e5d0f6a9d52dc03) Signed-off-by: Keng-Yu Lin --- drivers/staging/rts_pstor/rtsx_transport.c | 136 ---------------------------- 1 files changed, 0 insertions(+), 136 deletions(-) diff --git a/drivers/staging/rts_pstor/rtsx_transport.c b/drivers/staging/rts_pstor/rtsx_transport.c index e581f15..3b160dc 100644 --- a/drivers/staging/rts_pstor/rtsx_transport.c +++ b/drivers/staging/rts_pstor/rtsx_transport.c @@ -715,142 +715,6 @@ out: return err; } -int rtsx_transfer_sglist(struct rtsx_chip *chip, u8 card, - struct scatterlist *sg, int num_sg, - enum dma_data_direction dma_dir, int timeout) -{ - struct rtsx_dev *rtsx = chip->rtsx; - struct completion trans_done; - u8 dir; - int buf_cnt, i; - int err = 0; - long timeleft; - - if ((sg == NULL) || (num_sg <= 0)) - return -EIO; - - if (dma_dir == DMA_TO_DEVICE) { - dir = HOST_TO_DEVICE; - } else if (dma_dir == DMA_FROM_DEVICE) { - dir = DEVICE_TO_HOST; - } else { - return -ENXIO; - } - - if (card == SD_CARD) { - rtsx->check_card_cd = SD_EXIST; - } else if (card == MS_CARD) { - rtsx->check_card_cd = MS_EXIST; - } else if (card == XD_CARD) { - rtsx->check_card_cd = XD_EXIST; - } else { - rtsx->check_card_cd = 0; - } - - spin_lock_irq(&rtsx->reg_lock); - - /* set up data structures for the wakeup system */ - rtsx->done = &trans_done; - - rtsx->trans_state = STATE_TRANS_SG; - rtsx->trans_result = TRANS_NOT_READY; - - spin_unlock_irq(&rtsx->reg_lock); - - buf_cnt = dma_map_sg(&(rtsx->pci->dev), sg, num_sg, dma_dir); - - for (i = 0; i < buf_cnt; i++) { - u32 bier = 0; - u32 val = (1 << 31); - dma_addr_t addr = sg_dma_address(sg + i); - unsigned int len = sg_dma_len(sg + i); - - RTSX_DEBUGP("dma_addr = 0x%x, dma_len = %d\n", - (unsigned int)addr, len); - - val |= (u32)(dir & 0x01) << 29; - val |= (u32)(len & 0x00FFFFFF); - - spin_lock_irq(&rtsx->reg_lock); - - init_completion(&trans_done); - - if (i == (buf_cnt - 1)) { - /* If last transfer, disable data interrupt */ - bier = rtsx_readl(chip, RTSX_BIER); - rtsx_writel(chip, RTSX_BIER, bier & 0xBFFFFFFF); - } - - rtsx_writel(chip, RTSX_HDBAR, addr); - rtsx_writel(chip, RTSX_HDBCTLR, val); - - spin_unlock_irq(&rtsx->reg_lock); - - timeleft = wait_for_completion_interruptible_timeout( - &trans_done, timeout * HZ / 1000); - if (timeleft <= 0) { - RTSX_DEBUGP("Timeout (%s %d)\n", __func__, __LINE__); - RTSX_DEBUGP("chip->int_reg = 0x%x\n", chip->int_reg); - err = -ETIMEDOUT; - if (i == (buf_cnt - 1)) - rtsx_writel(chip, RTSX_BIER, bier); - goto out; - } - - spin_lock_irq(&rtsx->reg_lock); - if (rtsx->trans_result == TRANS_RESULT_FAIL) { - err = -EIO; - spin_unlock_irq(&rtsx->reg_lock); - if (i == (buf_cnt - 1)) - rtsx_writel(chip, RTSX_BIER, bier); - goto out; - } - spin_unlock_irq(&rtsx->reg_lock); - - if (i == (buf_cnt - 1)) { - /* If last transfer, enable data interrupt - * after transfer finished - */ - rtsx_writel(chip, RTSX_BIER, bier); - } - } - - /* Wait for TRANS_OK_INT */ - spin_lock_irq(&rtsx->reg_lock); - if (rtsx->trans_result == TRANS_NOT_READY) { - init_completion(&trans_done); - spin_unlock_irq(&rtsx->reg_lock); - timeleft = wait_for_completion_interruptible_timeout( - &trans_done, timeout * HZ / 1000); - if (timeleft <= 0) { - RTSX_DEBUGP("Timeout (%s %d)\n", __func__, __LINE__); - RTSX_DEBUGP("chip->int_reg = 0x%x\n", chip->int_reg); - err = -ETIMEDOUT; - goto out; - } - } else { - spin_unlock_irq(&rtsx->reg_lock); - } - - spin_lock_irq(&rtsx->reg_lock); - if (rtsx->trans_result == TRANS_RESULT_FAIL) { - err = -EIO; - } else if (rtsx->trans_result == TRANS_RESULT_OK) { - err = 0; - } - spin_unlock_irq(&rtsx->reg_lock); - -out: - rtsx->done = NULL; - rtsx->trans_state = STATE_TRANS_NONE; - dma_unmap_sg(&(rtsx->pci->dev), sg, num_sg, dma_dir); - - if (err < 0) - rtsx_stop_cmd(chip, card); - - return err; -} - int rtsx_transfer_data_partial(struct rtsx_chip *chip, u8 card, void *buf, size_t len, int use_sg, unsigned int *index, unsigned int *offset, enum dma_data_direction dma_dir,