Re: [PATCH 00/11] NFC: pn533: bug fixes and improvements

From: Olliver Schinagl
Date: Thu Apr 28 2016 - 14:19:13 EST


Hi Michael,

I know i'm a little late to the party, but why did you not name the directory/driver pn53x? I don't think we should debate wether a 533 is a 532 with a USB added, or wether a 532 is a 533 with the USB stripped, I was just curious. As for the pn533-i2c, in the KConfig, I'd probably recommend naming it pn532 at the least though, since there is no variant other then USB for the 533?

Further more, I think it would be wise to add some documentation and nfc bindings examples.

I'm using it as a subnode of an i2c node as such:

&i2c2 {
pinctrl-names = "default";
pinctrl-0 = <&i2c2_pins_a>;
status = "okay";

pn532: pn53x@48 {
compatible = "nxp,pn532-i2c";
reg = <0x48>;
};
};

But not sure if this is correct at all (I haven't gotten it to work yet, partly due to a burnt level shifter). For example, I'm not sure what other properties are needed.

Olliver

On 21-04-16 16:43, Michael Thalmeier wrote:
Hello Samuel,

This patchset fixes some major bugs in the pn533 drivers (usb and i2c) and
improves performance of the PN532 chip by increasing its clock speed.

Best Regards
Michael

Michael Thalmeier (11):
NFC: pn533: i2c: free irq on driver remove
NFC: pn533: fix order of initialization
NFC: pn533: i2c: do not call pn533_recv_frame with aborted commands
NFC: pn533: reset poll modulation list before calling nfc_targets_found
NFC: pn533: handle interrupted commands in pn533_recv_frame
NFC: pn533: usb: fix errors when poll is stopped
NFC: pn533: improve cmd queue handling
NFC: pn533: reduce output when stopping poll
NFC: pn533: use nfc_alloc_recv_skb for skb allocation
NFC: pn533: set cmd status when not set
nfc: pn533: increase clock frequency for PN532

drivers/nfc/pn533/i2c.c | 20 ++++--
drivers/nfc/pn533/pn533.c | 154 +++++++++++++++++++++++++++++++++++++---------
drivers/nfc/pn533/pn533.h | 5 +-
drivers/nfc/pn533/usb.c | 15 +++--
4 files changed, 153 insertions(+), 41 deletions(-)