linux-kernel - [PATCH] usb: dwc2: host: use true/false for boolean

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Date:   Thu, 12 Jan 2017 16:55:02 +0100
From:   Nicholas Mc Guire <hofrat@...dl.org>
To:     John Youn <johnyoun@...opsys.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        Nicholas Mc Guire <hofrat@...dl.org>
Subject: [PATCH] usb: dwc2: host: use true/false for boolean

For boolean variables true/false is preferred over 1/0 for readability.

Signed-off-by: Nicholas Mc Guire <hofrat@...dl.org>
---
Problem reported by scripts/coccinelle/misc/boolinit.cocci:
./drivers/usb/dwc2/hcd.c:5003:2-24: WARNING: Assignment of bool to 0/1
./drivers/usb/dwc2/hcd.c:3397:1-21: WARNING: Assignment of bool to 0/1
./drivers/usb/dwc2/hcd.c:3335:1-21: WARNING: Assignment of bool to 0/1
./drivers/usb/dwc2/hcd.c:2970:3-17: WARNING: Assignment of bool to 0/1
./drivers/usb/dwc2/hcd.c:2999:3-16: WARNING: Assignment of bool to 0/1
./drivers/usb/dwc2/hcd.c:3299:1-21: WARNING: Assignment of bool to 0/1

Patch was compile tested with: x86_64_defconfig + CONFIG_USB_DWC2

Patch is against 4.10-rc3 (localversion-next is next-20170112)

 drivers/usb/dwc2/hcd.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 9f66777..7467a37 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -2967,7 +2967,7 @@ static void dwc2_process_periodic_channels(struct dwc2_hsotg *hsotg)
 		qspcavail = (tx_status & TXSTS_QSPCAVAIL_MASK) >>
 			    TXSTS_QSPCAVAIL_SHIFT;
 		if (qspcavail == 0) {
-			no_queue_space = 1;
+			no_queue_space = true;
 			break;
 		}
 
@@ -2996,7 +2996,7 @@ static void dwc2_process_periodic_channels(struct dwc2_hsotg *hsotg)
 			    TXSTS_FSPCAVAIL_SHIFT;
 		status = dwc2_queue_transaction(hsotg, qh->channel, fspcavail);
 		if (status < 0) {
-			no_fifo_space = 1;
+			no_fifo_space = true;
 			break;
 		}
 
@@ -3296,7 +3296,7 @@ static void dwc2_wakeup_detected(unsigned long data)
 		dwc2_readl(hsotg->regs + HPRT0));
 
 	dwc2_hcd_rem_wakeup(hsotg);
-	hsotg->bus_suspended = 0;
+	hsotg->bus_suspended = false;
 
 	/* Change to L0 state */
 	hsotg->lx_state = DWC2_L0;
@@ -3332,7 +3332,7 @@ static void dwc2_port_suspend(struct dwc2_hsotg *hsotg, u16 windex)
 	hprt0 |= HPRT0_SUSP;
 	dwc2_writel(hprt0, hsotg->regs + HPRT0);
 
-	hsotg->bus_suspended = 1;
+	hsotg->bus_suspended = true;
 
 	/*
 	 * If hibernation is supported, Phy clock will be suspended
@@ -3394,7 +3394,7 @@ static void dwc2_port_resume(struct dwc2_hsotg *hsotg)
 	hprt0 = dwc2_read_hprt0(hsotg);
 	hprt0 &= ~(HPRT0_RES | HPRT0_SUSP);
 	dwc2_writel(hprt0, hsotg->regs + HPRT0);
-	hsotg->bus_suspended = 0;
+	hsotg->bus_suspended = false;
 	spin_unlock_irqrestore(&hsotg->lock, flags);
 }
 
@@ -5000,7 +5000,7 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq)
 	    hsotg->dev->dma_mask == NULL) {
 		dev_warn(hsotg->dev,
 			 "dma_mask not set, disabling DMA\n");
-		hsotg->params.host_dma = 0;
+		hsotg->params.host_dma = false;
 		hsotg->params.dma_desc_enable = 0;
 	}
 
-- 
2.1.4