From: Harvey Harrison <harvey.harrison@gmail.com>
To: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH 2/4] ieee1394: replace CSR_SET_BUS_INFO_GENERATION macro
Date: Sat, 13 Dec 2008 15:02:21 -0800 [thread overview]
Message-ID: <1229209341.11257.10.camel@brick> (raw)
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
---
drivers/ieee1394/csr.h | 10 +++++-----
drivers/ieee1394/hosts.c | 6 +++---
2 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/ieee1394/csr.h b/drivers/ieee1394/csr.h
index f115465..90fb3f2 100644
--- a/drivers/ieee1394/csr.h
+++ b/drivers/ieee1394/csr.h
@@ -50,11 +50,11 @@
#define CSR_MAX_ROM_SHIFT 8
#define CSR_GENERATION_SHIFT 4
-#define CSR_SET_BUS_INFO_GENERATION(csr, gen) \
- ((csr)->bus_info_data[2] = \
- cpu_to_be32((be32_to_cpu((csr)->bus_info_data[2]) & \
- ~(0xf << CSR_GENERATION_SHIFT)) | \
- (gen) << CSR_GENERATION_SHIFT))
+static inline void csr_set_bus_info_generation(struct csr1212_csr *csr, u8 gen)
+{
+ csr->bus_info_data[2] &= ~cpu_to_be32(0xf << CSR_GENERATION_SHIFT);
+ csr->bus_info_data[2] |= cpu_to_be32((u32)gen << CSR_GENERATION_SHIFT);
+}
struct csr_control {
spinlock_t lock;
diff --git a/drivers/ieee1394/hosts.c b/drivers/ieee1394/hosts.c
index 237d0c9..e947d8f 100644
--- a/drivers/ieee1394/hosts.c
+++ b/drivers/ieee1394/hosts.c
@@ -34,18 +34,18 @@ static void delayed_reset_bus(struct work_struct *work)
{
struct hpsb_host *host =
container_of(work, struct hpsb_host, delayed_reset.work);
- int generation = host->csr.generation + 1;
+ u8 generation = host->csr.generation + 1;
/* The generation field rolls over to 2 rather than 0 per IEEE
* 1394a-2000. */
if (generation > 0xf || generation < 2)
generation = 2;
- CSR_SET_BUS_INFO_GENERATION(host->csr.rom, generation);
+ csr_set_bus_info_generation(host->csr.rom, generation);
if (csr1212_generate_csr_image(host->csr.rom) != CSR1212_SUCCESS) {
/* CSR image creation failed.
* Reset generation field and do not issue a bus reset. */
- CSR_SET_BUS_INFO_GENERATION(host->csr.rom,
+ csr_set_bus_info_generation(host->csr.rom,
host->csr.generation);
return;
}
--
1.6.1.rc2.306.ge5d5e
reply other threads:[~2008-12-13 23:02 UTC|newest]
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