[PATCH 1/4] usb: host: ehci.h: cleanup header file

From: Geyslan G. Bem
Date: Wed Dec 09 2015 - 14:59:22 EST

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This patch silences
- A coccinelle warning 'scripts/coccinelle/misc/compare_const_fl.cocci'
- All the errors and many warnings shown by checkpatch

Signed-off-by: Geyslan G. Bem <geyslan@xxxxxxxxx>
---
drivers/usb/host/ehci.h | 89 +++++++++++++++++++++++++------------------------
1 file changed, 45 insertions(+), 44 deletions(-)

diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index ec61aed..a4f5ab5 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -185,10 +185,10 @@ struct ehci_hcd { /* one per controller */
struct ehci_sitd *last_sitd_to_free;

/* per root hub port */
- unsigned long reset_done [EHCI_MAX_ROOT_PORTS];
+ unsigned long reset_done[EHCI_MAX_ROOT_PORTS];

/* bit vectors (one bit per port) */
- unsigned long bus_suspended; /* which ports were
+ unsigned long bus_suspended; /* which ports were
already suspended at the start of a bus suspend */
unsigned long companion_ports; /* which ports are
dedicated to the companion controller */
@@ -244,9 +244,9 @@ struct ehci_hcd { /* one per controller */
/* irq statistics */
#ifdef EHCI_STATS
struct ehci_stats stats;
-# define COUNT(x) do { (x)++; } while (0)
+# define COUNT(x) ((x)++)
#else
-# define COUNT(x) do {} while (0)
+# define COUNT(x) ((void) 0)
#endif

/* debug files */
@@ -268,13 +268,13 @@ struct ehci_hcd { /* one per controller */
};

/* convert between an HCD pointer and the corresponding EHCI_HCD */
-static inline struct ehci_hcd *hcd_to_ehci (struct usb_hcd *hcd)
+static inline struct ehci_hcd *hcd_to_ehci(struct usb_hcd *hcd)
{
return (struct ehci_hcd *) (hcd->hcd_priv);
}
-static inline struct usb_hcd *ehci_to_hcd (struct ehci_hcd *ehci)
+static inline struct usb_hcd *ehci_to_hcd(struct ehci_hcd *ehci)
{
- return container_of ((void *) ehci, struct usb_hcd, hcd_priv);
+ return container_of((void *) ehci, struct usb_hcd, hcd_priv);
}

/*-------------------------------------------------------------------------*/
@@ -316,25 +316,25 @@ struct ehci_qtd {
#define HALT_BIT(ehci) cpu_to_hc32(ehci, QTD_STS_HALT)
#define STATUS_BIT(ehci) cpu_to_hc32(ehci, QTD_STS_STS)

- __hc32 hw_buf [5]; /* see EHCI 3.5.4 */
- __hc32 hw_buf_hi [5]; /* Appendix B */
+ __hc32 hw_buf[5]; /* see EHCI 3.5.4 */
+ __hc32 hw_buf_hi[5]; /* Appendix B */

/* the rest is HCD-private */
- dma_addr_t qtd_dma; /* qtd address */
- struct list_head qtd_list; /* sw qtd list */
- struct urb *urb; /* qtd's urb */
- size_t length; /* length of buffer */
-} __attribute__ ((aligned (32)));
+ dma_addr_t qtd_dma; /* qtd address */
+ struct list_head qtd_list; /* sw qtd list */
+ struct urb *urb; /* qtd's urb */
+ size_t length; /* length of buffer */
+} __aligned(32);

/* mask NakCnt+T in qh->hw_alt_next */
-#define QTD_MASK(ehci) cpu_to_hc32 (ehci, ~0x1f)
+#define QTD_MASK(ehci) (cpu_to_hc32(ehci, ~0x1f))

-#define IS_SHORT_READ(token) (QTD_LENGTH (token) != 0 && QTD_PID (token) == 1)
+#define IS_SHORT_READ(token) (QTD_LENGTH(token) != 0 && QTD_PID(token) == 1)

/*-------------------------------------------------------------------------*/

/* type tag from {qh,itd,sitd,fstn}->hw_next */
-#define Q_NEXT_TYPE(ehci,dma) ((dma) & cpu_to_hc32(ehci, 3 << 1))
+#define Q_NEXT_TYPE(ehci, dma) ((dma) & cpu_to_hc32(ehci, 3 << 1))

/*
* Now the following defines are not converted using the
@@ -350,7 +350,8 @@ struct ehci_qtd {
#define Q_TYPE_FSTN (3 << 1)

/* next async queue entry, or pointer to interrupt/periodic QH */
-#define QH_NEXT(ehci,dma) (cpu_to_hc32(ehci, (((u32)dma)&~0x01f)|Q_TYPE_QH))
+#define QH_NEXT(ehci, dma) \
+ (cpu_to_hc32(ehci, (((u32) dma) & ~0x01f) | Q_TYPE_QH))

/* for periodic/async schedules and qtd lists, mark end of list */
#define EHCI_LIST_END(ehci) cpu_to_hc32(ehci, 1) /* "null pointer" to hw */
@@ -405,9 +406,9 @@ struct ehci_qh_hw {
__hc32 hw_qtd_next;
__hc32 hw_alt_next;
__hc32 hw_token;
- __hc32 hw_buf [5];
- __hc32 hw_buf_hi [5];
-} __attribute__ ((aligned(32)));
+ __hc32 hw_buf[5];
+ __hc32 hw_buf_hi[5];
+} __aligned(32);

struct ehci_qh {
struct ehci_qh_hw *hw; /* Must come first */
@@ -462,7 +463,7 @@ struct ehci_iso_sched {
struct list_head td_list;
unsigned span;
unsigned first_packet;
- struct ehci_iso_packet packet [0];
+ struct ehci_iso_packet packet[0];
};

/*
@@ -510,7 +511,7 @@ struct ehci_iso_stream {
struct ehci_itd {
/* first part defined by EHCI spec */
__hc32 hw_next; /* see EHCI 3.3.1 */
- __hc32 hw_transaction [8]; /* see EHCI 3.3.2 */
+ __hc32 hw_transaction[8]; /* see EHCI 3.3.2 */
#define EHCI_ISOC_ACTIVE (1<<31) /* activate transfer this slot */
#define EHCI_ISOC_BUF_ERR (1<<30) /* Data buffer error */
#define EHCI_ISOC_BABBLE (1<<29) /* babble detected */
@@ -520,8 +521,8 @@ struct ehci_itd {

#define ITD_ACTIVE(ehci) cpu_to_hc32(ehci, EHCI_ISOC_ACTIVE)

- __hc32 hw_bufp [7]; /* see EHCI 3.3.3 */
- __hc32 hw_bufp_hi [7]; /* Appendix B */
+ __hc32 hw_bufp[7]; /* see EHCI 3.3.3 */
+ __hc32 hw_bufp_hi[7]; /* Appendix B */

/* the rest is HCD-private */
dma_addr_t itd_dma; /* for this itd */
@@ -535,7 +536,7 @@ struct ehci_itd {
unsigned frame; /* where scheduled */
unsigned pg;
unsigned index[8]; /* in urb->iso_frame_desc */
-} __attribute__ ((aligned (32)));
+} __aligned(32);

/*-------------------------------------------------------------------------*/

@@ -554,7 +555,7 @@ struct ehci_sitd {
__hc32 hw_results; /* EHCI table 3-11 */
#define SITD_IOC (1 << 31) /* interrupt on completion */
#define SITD_PAGE (1 << 30) /* buffer 0/1 */
-#define SITD_LENGTH(x) (0x3ff & ((x)>>16))
+#define SITD_LENGTH(x) (((x) >> 16) & 0x3ff)
#define SITD_STS_ACTIVE (1 << 7) /* HC may execute this */
#define SITD_STS_ERR (1 << 6) /* error from TT */
#define SITD_STS_DBE (1 << 5) /* data buffer error (in HC) */
@@ -565,9 +566,9 @@ struct ehci_sitd {

#define SITD_ACTIVE(ehci) cpu_to_hc32(ehci, SITD_STS_ACTIVE)

- __hc32 hw_buf [2]; /* EHCI table 3-12 */
+ __hc32 hw_buf[2]; /* EHCI table 3-12 */
__hc32 hw_backpointer; /* EHCI table 3-13 */
- __hc32 hw_buf_hi [2]; /* Appendix B */
+ __hc32 hw_buf_hi[2]; /* Appendix B */

/* the rest is HCD-private */
dma_addr_t sitd_dma;
@@ -578,7 +579,7 @@ struct ehci_sitd {
struct list_head sitd_list; /* list of stream's sitds */
unsigned frame;
unsigned index;
-} __attribute__ ((aligned (32)));
+} __aligned(32);

/*-------------------------------------------------------------------------*/

@@ -598,7 +599,7 @@ struct ehci_fstn {
/* the rest is HCD-private */
dma_addr_t fstn_dma;
union ehci_shadow fstn_next; /* ptr to periodic q entry */
-} __attribute__ ((aligned (32)));
+} __aligned(32);

/*-------------------------------------------------------------------------*/

@@ -634,10 +635,10 @@ struct ehci_tt {
/* Prepare the PORTSC wakeup flags during controller suspend/resume */

#define ehci_prepare_ports_for_controller_suspend(ehci, do_wakeup) \
- ehci_adjust_port_wakeup_flags(ehci, true, do_wakeup);
+ ehci_adjust_port_wakeup_flags(ehci, true, do_wakeup)

#define ehci_prepare_ports_for_controller_resume(ehci) \
- ehci_adjust_port_wakeup_flags(ehci, false, false);
+ ehci_adjust_port_wakeup_flags(ehci, false, false)

/*-------------------------------------------------------------------------*/

@@ -731,7 +732,7 @@ ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc)
#endif

static inline unsigned int ehci_readl(const struct ehci_hcd *ehci,
- __u32 __iomem * regs)
+ __u32 __iomem *regs)
{
#ifdef CONFIG_USB_EHCI_BIG_ENDIAN_MMIO
return ehci_big_endian_mmio(ehci) ?
@@ -806,7 +807,7 @@ static inline void set_ohci_hcfs(struct ehci_hcd *ehci, int operational)
#define ehci_big_endian_desc(e) ((e)->big_endian_desc)

/* cpu to ehci */
-static inline __hc32 cpu_to_hc32 (const struct ehci_hcd *ehci, const u32 x)
+static inline __hc32 cpu_to_hc32(const struct ehci_hcd *ehci, const u32 x)
{
return ehci_big_endian_desc(ehci)
? (__force __hc32)cpu_to_be32(x)
@@ -814,14 +815,14 @@ static inline __hc32 cpu_to_hc32 (const struct ehci_hcd *ehci, const u32 x)
}

/* ehci to cpu */
-static inline u32 hc32_to_cpu (const struct ehci_hcd *ehci, const __hc32 x)
+static inline u32 hc32_to_cpu(const struct ehci_hcd *ehci, const __hc32 x)
{
return ehci_big_endian_desc(ehci)
? be32_to_cpu((__force __be32)x)
: le32_to_cpu((__force __le32)x);
}

-static inline u32 hc32_to_cpup (const struct ehci_hcd *ehci, const __hc32 *x)
+static inline u32 hc32_to_cpup(const struct ehci_hcd *ehci, const __hc32 *x)
{
return ehci_big_endian_desc(ehci)
? be32_to_cpup((__force __be32 *)x)
@@ -831,18 +832,18 @@ static inline u32 hc32_to_cpup (const struct ehci_hcd *ehci, const __hc32 *x)
#else

/* cpu to ehci */
-static inline __hc32 cpu_to_hc32 (const struct ehci_hcd *ehci, const u32 x)
+static inline __hc32 cpu_to_hc32(const struct ehci_hcd *ehci, const u32 x)
{
return cpu_to_le32(x);
}

/* ehci to cpu */
-static inline u32 hc32_to_cpu (const struct ehci_hcd *ehci, const __hc32 x)
+static inline u32 hc32_to_cpu(const struct ehci_hcd *ehci, const __hc32 x)
{
return le32_to_cpu(x);
}

-static inline u32 hc32_to_cpup (const struct ehci_hcd *ehci, const __hc32 *x)
+static inline u32 hc32_to_cpup(const struct ehci_hcd *ehci, const __hc32 *x)
{
return le32_to_cpup(x);
}
@@ -852,13 +853,13 @@ static inline u32 hc32_to_cpup (const struct ehci_hcd *ehci, const __hc32 *x)
/*-------------------------------------------------------------------------*/

#define ehci_dbg(ehci, fmt, args...) \
- dev_dbg(ehci_to_hcd(ehci)->self.controller , fmt , ## args)
+ dev_dbg(ehci_to_hcd(ehci)->self.controller, fmt, ##args)
#define ehci_err(ehci, fmt, args...) \
- dev_err(ehci_to_hcd(ehci)->self.controller , fmt , ## args)
+ dev_err(ehci_to_hcd(ehci)->self.controller, fmt, ##args)
#define ehci_info(ehci, fmt, args...) \
- dev_info(ehci_to_hcd(ehci)->self.controller , fmt , ## args)
+ dev_info(ehci_to_hcd(ehci)->self.controller, fmt, ##args)
#define ehci_warn(ehci, fmt, args...) \
- dev_warn(ehci_to_hcd(ehci)->self.controller , fmt , ## args)
+ dev_warn(ehci_to_hcd(ehci)->self.controller, fmt, ##args)

#ifndef CONFIG_DYNAMIC_DEBUG
--
2.6.3

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Next message: Bjorn Andersson: "Re: [PATCH v2 1/3] dt-binding: power: Add otg regulator binding"
Previous message: Geyslan G. Bem: "[PATCH 4/4] usb: host: ehci.h: use flexible array instead of zero-length array"
Next in thread: Geyslan G. Bem: "[PATCH 2/4] usb: host: ehci.h: cleanup header file"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]