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ieee1394: replace CSR_SET_BUS_INFO_GENERATION macro

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Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
This commit is contained in:
Harvey Harrison 2008-12-13 15:02:21 -08:00 committed by Stefan Richter
parent c816015860
commit a5e6f64dda
2 changed files with 8 additions and 8 deletions
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10
drivers/ieee1394/csr.h
View file

@ -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;

6
drivers/ieee1394/hosts.c
View file

@ -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;
}