From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f50.google.com ([209.85.220.50]:65022 "EHLO mail-pa0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753181AbaFYVfT (ORCPT ); Wed, 25 Jun 2014 17:35:19 -0400 Message-ID: <5397E8FD.1070905@gmail.com> Date: Tue, 10 Jun 2014 22:28:29 -0700 From: Rajat Jain MIME-Version: 1.0 To: Bjorn Helgaas , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org CC: Guenter Roeck , Rajat Jain Subject: [PATCH] pciehp: Remove the field controller->no_cmd_completed Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-pci-owner@vger.kernel.org List-ID: After following recent cleanups by Bjorn: http://git.kernel.org/cgit/linux/kernel/git/helgaas/pci.git/log/?h=pci/hotplug 2cc56f3 PCI: pciehp: Remove assumptions about which commands cause 40b9608 PCI: pciehp: Compute timeout from hotplug command start time 3461a06 PCI: pciehp: Wait for hotplug command completion lazily 4283c70 PCI: pciehp: Make pcie_wait_cmd() self-contained the bitfield no_cmd_complete is not really needed anymore, as there is only a single occurance of its use. Hence remove the unnecessary bit field, and use existing macro NO_CMD_CMPL() instead. Signed-off-by: Rajat Jain Signed-off-by: Rajat Jain Signed-off-by: Guenter Roeck --- (This is rebased on top of Bjorn's pci/hotplug branch mentioned above) drivers/pci/hotplug/pciehp.h | 1 - drivers/pci/hotplug/pciehp_hpc.c | 11 +---------- 2 files changed, 1 insertion(+), 11 deletions(-) diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h index c496258..9e5a9fb 100644 --- a/drivers/pci/hotplug/pciehp.h +++ b/drivers/pci/hotplug/pciehp.h @@ -96,7 +96,6 @@ struct controller { struct timer_list poll_timer; unsigned long cmd_started; /* jiffies */ unsigned int cmd_busy:1; - unsigned int no_cmd_complete:1; unsigned int link_active_reporting:1; unsigned int notification_enabled:1; unsigned int power_fault_detected; diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index a3a5c65..f7c3709 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -140,7 +140,7 @@ static void pcie_wait_cmd(struct controller *ctrl) * If the controller does not generate notifications for command * completions, we never need to wait between writes. */ - if (ctrl->no_cmd_complete) + if (NO_CMD_CMPL(ctrl)) return; if (!ctrl->cmd_busy) @@ -772,15 +772,6 @@ struct controller *pcie_init(struct pcie_device *dev) init_waitqueue_head(&ctrl->queue); dbg_ctrl(ctrl); - /* - * Controller doesn't notify of command completion if the "No - * Command Completed Support" bit is set in Slot Capabilities. - * If set, it means the controller can accept hotplug commands - * with no delay between them. - */ - if (NO_CMD_CMPL(ctrl)) - ctrl->no_cmd_complete = 1; - /* Check if Data Link Layer Link Active Reporting is implemented */ pcie_capability_read_dword(pdev, PCI_EXP_LNKCAP, &link_cap); if (link_cap & PCI_EXP_LNKCAP_DLLLARC) { -- 1.7.9.5