| Message ID | 2aa2a9c00bcfa62605edfab8fb4c29448612ced3.1349778820.git.vipin.kumar@st.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 16:14 Tue 09 Oct , Vipin Kumar wrote: > Signed-off-by: Vipin Kumar <vipin.kumar@st.com> > --- > drivers/mtd/nand/fsmc_nand.c | 51 ++++++++++++++++++++++++++------------------ > 1 file changed, 30 insertions(+), 21 deletions(-) > > diff --git a/drivers/mtd/nand/fsmc_nand.c b/drivers/mtd/nand/fsmc_nand.c > index e96d7d1..bd89580 100644 > --- a/drivers/mtd/nand/fsmc_nand.c > +++ b/drivers/mtd/nand/fsmc_nand.c > @@ -278,52 +278,61 @@ static struct fsmc_eccplace fsmc_ecc4_sp_place = { > * struct fsmc_nand_data - structure for FSMC NAND device state > * > * @pid: Part ID on the AMBA PrimeCell format > - * @mtd: MTD info for a NAND flash. > - * @nand: Chip related info for a NAND flash. > - * @partitions: Partition info for a NAND Flash. > - * @nr_partitions: Total number of partition of a NAND flash. > - * > - * @ecc_place: ECC placing locations in oobfree type format. > - * @bank: Bank number for probed device. > - * @clk: Clock structure for FSMC. > + * @mtd: MTD info for a NAND flash > + * @nand: Chip related info for a NAND flash > + * @dev: Device structure pointer > + * @clk: Clock structure for FSMC > + * @ecc_place: ECC placing locations in oobfree type format > + * @bank: Bank number for probed device > * > * @read_dma_chan: DMA channel for read access > * @write_dma_chan: DMA channel for write access to NAND > * @dma_access_complete: Completion structure > * > - * @data_pa: NAND Physical port for Data. > - * @data_va: NAND port for Data. > - * @cmd_va: NAND port for Command. > - * @addr_va: NAND port for Address. > - * @regs_va: FSMC regs base address. > + * @dev_timings: Timings to be programmed in controller > + * @partitions: Partition info for a NAND Flash > + * @nr_partitions: Total number of partition of a NAND flash > + * @mode: Defines the NAND device access mode > + * Can be one of: > + * - DMA access > + * - Word access (CPU) > + * - None (Use driver default ie bus width specific > + * CPU access) > + * @select_chip: Select a particular bank > + * > + * @data_pa: NAND Physical port for Data > + * @data_va: NAND port for Data > + * @cmd_va: NAND port for Command > + * @addr_va: NAND port for Address > + * @regs_va: FSMC regs base address > */ > struct fsmc_nand_data { > u32 pid; > struct mtd_info mtd; > struct nand_chip nand; > - struct mtd_partition *partitions; > - unsigned int nr_partitions; > - > - struct fsmc_eccplace *ecc_place; > - unsigned int bank; > struct device *dev; > - enum access_mode mode; > struct clk *clk; > + struct fsmc_eccplace *ecc_place; > + unsigned int bank; > > /* DMA related objects */ > struct dma_chan *read_dma_chan; > struct dma_chan *write_dma_chan; > struct completion dma_access_complete; > > + /* Recieved from plat data */ > struct fsmc_nand_timings *dev_timings; > + struct mtd_partition *partitions; > + unsigned int nr_partitions; where do you use those execpt at probe time > + enum access_mode mode; > + void (*select_chip)(uint32_t bank, uint32_t busw); > > + /* Virtual/Physical addresses for CPU/DMA access */ > dma_addr_t data_pa; > void __iomem *data_va; > void __iomem *cmd_va; > void __iomem *addr_va; > void __iomem *regs_va; > - > - void (*select_chip)(uint32_t bank, uint32_t busw); > }; > > /* Assert CS signal based on chipnr */ > -- > 1.7.11.4 >
On Tue, Oct 9, 2012 at 4:14 PM, Vipin Kumar <vipin.kumar@st.com> wrote: > Signed-off-by: Vipin Kumar <vipin.kumar@st.com> > --- > drivers/mtd/nand/fsmc_nand.c | 51 ++++++++++++++++++++++++++------------------ > 1 file changed, 30 insertions(+), 21 deletions(-) Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
On 10/9/2012 5:22 PM, Jean-Christophe PLAGNIOL-VILLARD wrote: > On 16:14 Tue 09 Oct , Vipin Kumar wrote: >> Signed-off-by: Vipin Kumar<vipin.kumar@st.com> >> --- >> drivers/mtd/nand/fsmc_nand.c | 51 ++++++++++++++++++++++++++------------------ >> 1 file changed, 30 insertions(+), 21 deletions(-) >> >> diff --git a/drivers/mtd/nand/fsmc_nand.c b/drivers/mtd/nand/fsmc_nand.c >> index e96d7d1..bd89580 100644 >> --- a/drivers/mtd/nand/fsmc_nand.c >> +++ b/drivers/mtd/nand/fsmc_nand.c >> @@ -278,52 +278,61 @@ static struct fsmc_eccplace fsmc_ecc4_sp_place = { >> * struct fsmc_nand_data - structure for FSMC NAND device state >> * >> * @pid: Part ID on the AMBA PrimeCell format >> - * @mtd: MTD info for a NAND flash. >> - * @nand: Chip related info for a NAND flash. >> - * @partitions: Partition info for a NAND Flash. >> - * @nr_partitions: Total number of partition of a NAND flash. >> - * >> - * @ecc_place: ECC placing locations in oobfree type format. >> - * @bank: Bank number for probed device. >> - * @clk: Clock structure for FSMC. >> + * @mtd: MTD info for a NAND flash >> + * @nand: Chip related info for a NAND flash >> + * @dev: Device structure pointer >> + * @clk: Clock structure for FSMC >> + * @ecc_place: ECC placing locations in oobfree type format >> + * @bank: Bank number for probed device >> * >> * @read_dma_chan: DMA channel for read access >> * @write_dma_chan: DMA channel for write access to NAND >> * @dma_access_complete: Completion structure >> * >> - * @data_pa: NAND Physical port for Data. >> - * @data_va: NAND port for Data. >> - * @cmd_va: NAND port for Command. >> - * @addr_va: NAND port for Address. >> - * @regs_va: FSMC regs base address. >> + * @dev_timings: Timings to be programmed in controller >> + * @partitions: Partition info for a NAND Flash >> + * @nr_partitions: Total number of partition of a NAND flash >> + * @mode: Defines the NAND device access mode >> + * Can be one of: >> + * - DMA access >> + * - Word access (CPU) >> + * - None (Use driver default ie bus width specific >> + * CPU access) >> + * @select_chip: Select a particular bank >> + * >> + * @data_pa: NAND Physical port for Data >> + * @data_va: NAND port for Data >> + * @cmd_va: NAND port for Command >> + * @addr_va: NAND port for Address >> + * @regs_va: FSMC regs base address >> */ >> struct fsmc_nand_data { >> u32 pid; >> struct mtd_info mtd; >> struct nand_chip nand; >> - struct mtd_partition *partitions; >> - unsigned int nr_partitions; >> - >> - struct fsmc_eccplace *ecc_place; >> - unsigned int bank; >> struct device *dev; >> - enum access_mode mode; >> struct clk *clk; >> + struct fsmc_eccplace *ecc_place; >> + unsigned int bank; >> >> /* DMA related objects */ >> struct dma_chan *read_dma_chan; >> struct dma_chan *write_dma_chan; >> struct completion dma_access_complete; >> >> + /* Recieved from plat data */ >> struct fsmc_nand_timings *dev_timings; >> + struct mtd_partition *partitions; >> + unsigned int nr_partitions; > where do you use those execpt at probe time Yes, I can remove it completely. Thanks for that
diff --git a/drivers/mtd/nand/fsmc_nand.c b/drivers/mtd/nand/fsmc_nand.c index e96d7d1..bd89580 100644 --- a/drivers/mtd/nand/fsmc_nand.c +++ b/drivers/mtd/nand/fsmc_nand.c @@ -278,52 +278,61 @@ static struct fsmc_eccplace fsmc_ecc4_sp_place = { * struct fsmc_nand_data - structure for FSMC NAND device state * * @pid: Part ID on the AMBA PrimeCell format - * @mtd: MTD info for a NAND flash. - * @nand: Chip related info for a NAND flash. - * @partitions: Partition info for a NAND Flash. - * @nr_partitions: Total number of partition of a NAND flash. - * - * @ecc_place: ECC placing locations in oobfree type format. - * @bank: Bank number for probed device. - * @clk: Clock structure for FSMC. + * @mtd: MTD info for a NAND flash + * @nand: Chip related info for a NAND flash + * @dev: Device structure pointer + * @clk: Clock structure for FSMC + * @ecc_place: ECC placing locations in oobfree type format + * @bank: Bank number for probed device * * @read_dma_chan: DMA channel for read access * @write_dma_chan: DMA channel for write access to NAND * @dma_access_complete: Completion structure * - * @data_pa: NAND Physical port for Data. - * @data_va: NAND port for Data. - * @cmd_va: NAND port for Command. - * @addr_va: NAND port for Address. - * @regs_va: FSMC regs base address. + * @dev_timings: Timings to be programmed in controller + * @partitions: Partition info for a NAND Flash + * @nr_partitions: Total number of partition of a NAND flash + * @mode: Defines the NAND device access mode + * Can be one of: + * - DMA access + * - Word access (CPU) + * - None (Use driver default ie bus width specific + * CPU access) + * @select_chip: Select a particular bank + * + * @data_pa: NAND Physical port for Data + * @data_va: NAND port for Data + * @cmd_va: NAND port for Command + * @addr_va: NAND port for Address + * @regs_va: FSMC regs base address */ struct fsmc_nand_data { u32 pid; struct mtd_info mtd; struct nand_chip nand; - struct mtd_partition *partitions; - unsigned int nr_partitions; - - struct fsmc_eccplace *ecc_place; - unsigned int bank; struct device *dev; - enum access_mode mode; struct clk *clk; + struct fsmc_eccplace *ecc_place; + unsigned int bank; /* DMA related objects */ struct dma_chan *read_dma_chan; struct dma_chan *write_dma_chan; struct completion dma_access_complete; + /* Recieved from plat data */ struct fsmc_nand_timings *dev_timings; + struct mtd_partition *partitions; + unsigned int nr_partitions; + enum access_mode mode; + void (*select_chip)(uint32_t bank, uint32_t busw); + /* Virtual/Physical addresses for CPU/DMA access */ dma_addr_t data_pa; void __iomem *data_va; void __iomem *cmd_va; void __iomem *addr_va; void __iomem *regs_va; - - void (*select_chip)(uint32_t bank, uint32_t busw); }; /* Assert CS signal based on chipnr */
Signed-off-by: Vipin Kumar <vipin.kumar@st.com> --- drivers/mtd/nand/fsmc_nand.c | 51 ++++++++++++++++++++++++++------------------ 1 file changed, 30 insertions(+), 21 deletions(-)