Messages in this thread | | | Subject | Re: [PATCH 2/2] fpga: lattice machxo2: Add Lattice MachXO2 support | From | Joe Perches <> | Date | Thu, 22 Mar 2018 14:34:53 -0700 |
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On Thu, 2018-03-22 at 16:32 -0500, Alan Tull wrote: > On Wed, Mar 21, 2018 at 1:04 PM, Joe Perches <joe@perches.com> wrote: > > On Wed, 2018-03-21 at 18:35 +0100, Paolo Pisati wrote: > > > This patch adds support to the FPGA manager for programming > > > MachXO2 device’s internal flash memory, via slave SPI. > > > > style trivia: > > > > > diff --git a/drivers/fpga/machxo2-spi.c b/drivers/fpga/machxo2-spi.c > > > > [] > > > +static int get_status(struct spi_device *spi, unsigned long *status) > > > +{ > > > + struct spi_message msg; > > > + struct spi_transfer rx, tx; > > > + u8 cmd[] = LSC_READ_STATUS; > > > > static const u8 cmd[] > > here and everywhere else as all the tx_buf assignments > > of cmd are to const void * > > Why *static* const u8 cmd[]?
So various compilers don't reload it on each call.
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